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In Christianity, Christology (from the Greek Χριστός, Khristós and -λογία , -logia ), translated from Greek as 'the study of Christ', is a branch of theology that concerns Jesus. Different denominations have different opinions on questions such as whether Jesus was human, divine, or both, and as a messiah what his role would be in the freeing of the Jewish people from foreign rulers or in the prophesied Kingdom of God, and in the salvation from what would otherwise be the consequences of sin.     
The earliest Christian writings gave several titles to Jesus, such as Son of Man, Son of God, Messiah, and Kyrios , which were all derived from Hebrew scripture. [web 1] These terms centered around two opposing themes, namely "Jesus as a preexistent figure who becomes human and then returns to God", versus adoptionism – that Jesus was human who was "adopted" by God at his baptism, crucifixion, or resurrection. [web 1]
From the second to the fifth centuries, the relation of the human and divine nature of Christ was a major focus of debates in the early church and at the first seven ecumenical councils. The Council of Chalcedon in 451 issued a formulation of the hypostatic union of the two natures of Christ, one human and one divine, "united with neither confusion nor division".  Most of the major branches of Western Christianity and Eastern Orthodoxy subscribe to this formulation,   while many branches of Oriental Orthodox Churches reject it,    subscribing to miaphysitism.
Christology (from the Greek Χριστός, Khristós and -λογία , -logia ), literally 'the understanding of Christ',  is the study of the nature (person) and work (role in salvation) [note 1] of Jesus Christ.    [ need quotation to verify ]  [web 1] [web 4] [note 2] It studies Jesus Christ's humanity and divinity, and the relation between these two aspects;  and the role he plays in salvation.
"Ontological Christology" analyzes the nature or being [web 5] of Jesus Christ. "Functional Christology" analyzes the works of Jesus Christ, while "soteriological Christology" analyzes the "salvific" standpoints of Christology. 
Several approaches can be distinguished within Christology. [note 3] The term Christology from above  or high Christology  refers to approaches that include aspects of divinity, such as Lord and Son of God, and the idea of the pre-existence of Christ as the Logos ('the Word'),    as expressed in the prologue to the Gospel of John. [note 4] These approaches interpret the works of Christ in terms of his divinity. According to Pannenberg, Christology from above "was far more common in the ancient Church, beginning with Ignatius of Antioch and the second century Apologists."   The term Christology from below  or low Christology  refers to approaches that begin with the human aspects and the ministry of Jesus (including the miracles, parables, etc.) and move towards his divinity and the mystery of incarnation.  
A basic Christological teaching is that the person of Jesus Christ is both human and divine. The human and divine natures of Jesus Christ apparently ( prosopic ) form a duality, as they coexist within one person ( hypostasis ).  There are no direct discussions in the New Testament regarding the dual nature of the Person of Christ as both divine and human,  and since the early days of Christianity, theologians have debated various approaches to the understanding of these natures, at times resulting in ecumenical councils, and schisms. 
Some historical christological doctrines gained broad support:
Influential Christologies which were broadly condemned as heretical [note 5] are:
Various church councils, mainly in the 4th and 5th centuries, resolved most of these controversies, making the doctrine of the Trinity orthodox in nearly all branches of Christianity. Among them, only the Dyophysite doctrine was recognized as true and not heretical, belonging to the Christian orthodoxy and deposit of faith.
In Christian theology, atonement is the method by which human beings can be reconciled to God through Christ's sacrificial suffering and death.  Atonement is the forgiving or pardoning of sin in general and original sin in particular through the suffering, death and resurrection of Jesus, [web 6] enabling the reconciliation between God and his creation. Due to the influence of Gustaf Aulèn's (1879–1978) Christus Victor (1931), the various theories or paradigmata of atonement are often grouped as "classical paradigm", "objective paradigm", and the "subjective paradigm":    
Other theories are the "embracement theory" and the "shared atonement" theory.  
The earliest christological reflections were shaped by both the Jewish background of the earliest Christians, and by the Greek world of the eastern Mediterranean in which they operated.  [web 1] [note 13] The earliest Christian writings give several titles to Jesus, such as Son of Man, Son of God, Messiah, and Kyrios , which were all derived from Hebrew scripture. [web 1]  According to Matt Stefon and Hans J. Hillerbrand:
Until the middle of the 2nd century, such terms emphasized two themes: that of Jesus as a preexistent figure who becomes human and then returns to God and that of Jesus as a creature elected and "adopted" by God. The first theme makes use of concepts drawn from Classical antiquity, whereas the second relies on concepts characteristic of ancient Jewish thought. The second theme subsequently became the basis of "adoptionist Christology" (see adoptionism), which viewed Jesus' baptism as a crucial event in his adoption by God. [web 1]
Historically in the Alexandrian school of thought (fashioned on the Gospel of John), Jesus Christ is the eternal Logos who already possesses unity with the Father before the act of Incarnation.  In contrast, the Antiochian school viewed Christ as a single, unified human person apart from his relationship to the divine.  [note 14]
The notion of pre-existence is deeply rooted in Jewish thought, and can be found in apocalyptic thought and among the rabbis of Paul's time,  but Paul was most influenced by Jewish-Hellenistic wisdom literature, where "'Wisdom' is extolled as something existing before the world and already working in creation.  According to Witherington, Paul "subscribed to the christological notion that Christ existed prior to taking on human flesh[,] founding the story of Christ [...] on the story of divine Wisdom".  [note 15]
The title Kyrios for Jesus is central to the development of New Testament Christology.  In the Septuagint it translates the Tetragrammaton, the holy Name of God. As such, it closely links Jesus with God – in the same way a verse such as Matthew 28:19, "The Name (singular) of the Father, the Son, and the Holy Spirit". 
Kyrios is also conjectured to be the Greek translation of Aramaic Mari, which in everyday Aramaic usage was a very respectful form of polite address, which means more than just 'teacher' and was somewhat similar to 'rabbi'. While the term Mari expressed the relationship between Jesus and his disciples during his life, the Greek Kyrios came to represent his lordship over the world. 
The early Christians placed Kyrios at the center of their understanding, and from that center attempted to understand the other issues related to the Christian mysteries.  The question of the deity of Christ in the New Testament is inherently related to the Kyrios title of Jesus used in the early Christian writings and its implications for the absolute lordship of Jesus. In early Christian belief, the concept of Kyrios included the pre-existence of Christ, for they believed if Christ is one with God, he must have been united with God from the very beginning.  
Two fundamentally different Christologies developed in the early Church, namely a "low" or adoptionist Christology, and a "high" or "incarnation" Christology.  The chronology of the development of these early Christologies is a matter of debate within contemporary scholarship.    [web 7]
The "low Christology" or "adoptionist Christology" is the belief "that God exalted Jesus to be his Son by raising him from the dead",  thereby raising him to "divine status". [web 8] According to the "evolutionary model"  or evolutionary theories,  the Christological understanding of Jesus developed over time,    as witnessed in the Gospels,  with the earliest Christians believing that Jesus was a human who was exalted, or else adopted as God's Son,   when he was resurrected.   Later beliefs shifted the exaltation to his baptism, birth, and subsequently to the idea of his pre-existence, as witnessed in the Gospel of John.  This "evolutionary model" was proposed by proponents of the Religionsgeschichtliche Schule, especially Wilhelm Bousset's influential Kyrios Christos (1913).  This evolutionary model was very influential, and the "low Christology" has long been regarded as the oldest Christology.   [web 8] [note 16]
The other early Christology is "high Christology", which is "the view that Jesus was a pre-existent divine being who became a human, did the Father's will on earth, and then was taken back up into heaven whence he had originally come", [web 8]  and from where he appeared on earth. [note 17] According to Bousset, this "high Christology" developed at the time of Paul's writing, under the influence of Gentile Christians, who brought their pagan Hellenistic traditions to the early Christian communities, introducing divine honours to Jesus.  According to Casey and Dunn, this "high Christology" developed after the time of Paul, at the end of the first century CE when the Gospel of John was written. 
Since the 1970s, these late datings for the development of a "high Christology" have been contested,  and a majority of scholars argue that this "high Christology" existed already before the writings of Paul.  [note 18] According to the "New Religionsgeschichtliche Schule",  [web 10] or the Early High Christology Club, [web 11] which includes Martin Hengel, Larry Hurtado, N. T. Wright, and Richard Bauckham,  [web 11] this "incarnation Christology" or "high Christology" did not evolve over a longer time, but was a "big bang" of ideas which were already present at the start of Christianity, and took further shape in the first few decades of the church, as witnessed in the writings of Paul.  [web 11] [web 8] [note 19] Some 'Early High Christology' proponents scholars argue that this "high Christology" may go back to Jesus himself.  [web 7]
There is a controversy regarding whether Jesus himself claimed to be divine. In Honest to God , then-Bishop of Woolwich, John A. T. Robinson, questioned the idea.  John Hick, writing in 1993, mentioned changes in New Testament studies, citing "broad agreement" that scholars do not today support the view that Jesus claimed to be God, quoting as examples Michael Ramsey (1980), C. F. D. Moule (1977), James Dunn (1980), Brian Hebblethwaite (1985) and David Brown (1985).  Larry Hurtado, who argues that the followers of Jesus within a very short period developed an exceedingly high level of devotional reverence to Jesus,  at the same time rejects the view that Jesus made a claim to messiahship or divinity to his disciples during his life as "naive and ahistorical".[ failed verification ] According to Gerd Lüdemann, the broad consensus among modern New Testament scholars is that the proclamation of the divinity of Jesus was a development within the earliest Christian communities.  N. T. Wright points out that arguments over the claims of Jesus regarding divinity have been passed over by more recent scholarship, which sees a more complex understanding of the idea of God in first century Judaism.  However, Andrew Loke argues that if Jesus did not claim and show himself to be truly divine and rise from the dead, the earliest Christian leaders who were devout ancient monotheistic Jews would have regarded Jesus as merely a teacher or a prophet; they would not have come to the widespread agreement that he was truly divine, which they did.  
The study of the various Christologies of the Apostolic Age is based on early Christian documents. 
The oldest Christian sources are the writings of Paul.  The central Christology of Paul conveys the notion of Christ's pre-existence   and the identification of Christ as Kyrios .  Both notions already existed before him in the early Christian communities, and Paul deepened them and used them for preaching in the Hellenistic communities. 
What exactly Paul believed about the nature of Jesus cannot be determined decisively. In Philippians 2, Paul states that Jesus was preexistent and came to Earth "by taking the form of a servant, being made in human likeness". This sounds like an incarnation Christology. In Romans 1:4, however, Paul states that Jesus "was declared with power to be the Son of God by his resurrection from the dead", which sounds like an adoptionistic Christology, where Jesus was a human being who was "adopted" after his death. Different views would be debated for centuries by Christians and finally settled on the idea that he was both fully human and fully divine by the middle of the 5th century in the Council of Ephesus. Paul's thoughts on Jesus' teachings, versus his nature and being, is more defined, in that Paul believed Jesus was sent as an atonement for the sins of everyone.   
The Pauline epistles use Kyrios to identify Jesus almost 230 times, and express the theme that the true mark of a Christian is the confession of Jesus as the true Lord.  Paul viewed the superiority of the Christian revelation over all other divine manifestations as a consequence of the fact that Christ is the Son of God. [web 4]
The Pauline epistles also advanced the "cosmic Christology" [note 20] later developed in the Gospel of John,  elaborating the cosmic implications of Jesus' existence as the Son of God: "Therefore, if anyone is in Christ, he is a new creation. The old has passed away; behold, the new has come."  Paul writes that Christ came to draw all back to God: "Through him God was pleased to reconcile to himself all things, whether on earth or in heaven" (Colossians 1:20);   in the same epistle, he writes that "He is the image of the invisible God, the firstborn of all creation" (Colossians 1:15).   
The synoptic Gospels date from after the writings of Paul. They provide episodes from the life of Jesus and some of his works, but the authors of the New Testament show little interest in an absolute chronology of Jesus or in synchronizing the episodes of his life,  and as in John 21:25, the Gospels do not claim to be an exhaustive list of his works. 
Christologies that can be gleaned from the three Synoptic Gospels generally emphasize the humanity of Jesus, his sayings, his parables, and his miracles. The Gospel of John provides a different perspective that focuses on his divinity. [web 4] The first 14 verses of the Gospel of John are devoted to the divinity of Jesus as the Logos , usually translated as "Word", along with his pre-existence, and they emphasize the cosmic significance of Christ, e.g.: "All things were made through him, and without him was not any thing made that was made."  In the context of these verses, the Word made flesh is identical with the Word who was in the beginning with God, being exegetically equated with Jesus. [web 4]
Following the Apostolic Age, from the second century onwards, a number of controversies developed about how the human and divine are related within the person of Jesus.   As of the second century, a number of different and opposing approaches developed among various groups. In contrast to prevailing monoprosopic views on the Person of Christ, alternative dyoprosopic notions were also promoted by some theologians, but such views were rejected by the ecumenical councils. For example, Arianism did not endorse divinity, Ebionism argued Jesus was an ordinary mortal, while Gnosticism held docetic views which argued Christ was a spiritual being who only appeared to have a physical body.   The resulting tensions led to schisms within the church in the second and third centuries, and ecumenical councils were convened in the fourth and fifth centuries to deal with the issues.[ citation needed ]
Although some of the debates may seem to various modern students to be over a theological iota, they took place in controversial political circumstances, reflecting the relations of temporal powers and divine authority, and certainly resulted in schisms, among others that separated the Church of the East from the Church of the Roman Empire.  
In 325, the First Council of Nicaea defined the persons of the Godhead and their relationship with one another, decisions which were ratified at the First Council of Constantinople in 381. The language used was that the one God exists in three persons (Father, Son, and Holy Spirit); in particular, it was affirmed that the Son was homoousios (of the same being) as the Father. The Nicene Creed declared the full divinity and full humanity of Jesus.    After the First Council of Nicaea in 325 the Logos and the second Person of the Trinity were being used interchangeably. 
In 431, the First Council of Ephesus was initially called to address the views of Nestorius on Mariology, but the problems soon extended to Christology, and schisms followed. The 431 council was called because in defense of his loyal priest Anastasius, Nestorius had denied the Theotokos title for Mary and later contradicted Proclus during a sermon in Constantinople. Pope Celestine I (who was already upset with Nestorius due to other matters) wrote about this to Cyril of Alexandria, who orchestrated the council. During the council, Nestorius defended his position by arguing there must be two persons of Christ, one human, the other divine, and Mary had given birth only to a human, hence could not be called the Theotokos, i.e. "the one who gives birth to God". The debate about the single or dual nature of Christ ensued in Ephesus.    
The First Council of Ephesus debated miaphysitism (two natures united as one after the hypostatic union) versus dyophysitism (coexisting natures after the hypostatic union) versus monophysitism (only one nature) versus Nestorianism (two hypostases). From the Christological viewpoint, the council adopted Mia Physis ('but being made one', κατὰ φύσιν) – Council of Ephesus, Epistle of Cyril to Nestorius, i.e. 'one nature of the Word of God incarnate' (μία φύσις τοῦ θεοῦ λόγου σεσαρκωμένη, mía phýsis toû theoû lógou sesarkōménē). In 451, the Council of Chalcedon affirmed dyophysitism. The Oriental Orthodox rejected this and subsequent councils and continued to consider themselves as miaphysite according to the faith put forth at the Councils of Nicaea and Ephesus.   The council also confirmed the Theotokos title and excommunicated Nestorius.  
The 451 Council of Chalcedon was highly influential, and marked a key turning point in the christological debates.  It is the last council which many Lutherans, Anglicans and other Protestants consider ecumenical.  
The Council of Chalcedon fully promulgated the Western dyophysite understanding put forth by Pope Leo I of Rome of the hypostatic union , the proposition that Christ has one human nature (physis) and one divine nature (physis), each distinct and complete, and united with neither confusion nor division.   Most of the major branches of Western Christianity (Roman Catholicism, Anglicanism, Lutheranism, and Reformed), Church of the East,  Eastern Catholicism and Eastern Orthodoxy subscribe to the Chalcedonian Christological formulation, while many branches of Oriental Orthodox Churches (Syrian Orthodoxy, Coptic Orthodoxy, Ethiopian Orthodoxy, and Armenian Apostolicism) reject it.   
Although the Chalcedonian Creed did not put an end to all christological debate, it did clarify the terms used and became a point of reference for many future Christologies.    But it also broke apart the church of the Eastern Roman Empire in the fifth century,  and unquestionably established the primacy of Rome in the East over those who accepted the Council of Chalcedon. This was reaffirmed in 519, when the Eastern Chalcedonians accepted the Formula of Hormisdas, anathematizing all of their own Eastern Chalcedonian hierarchy, who died out of communion with Rome from 482 to 519.
The Second Council of Constantinople in 553 interpreted the decrees of Chalcedon, and further explained the relationship of the two natures of Jesus. It also condemned the alleged teachings of Origen on the pre-existence of the soul, and other topics. [web 12]
The Third Council of Constantinople in 681 declared that Christ has two wills of his two natures, human and divine, contrary to the teachings of the Monothelites, [web 13] with the divine will having precedence, leading and guiding the human will. 
The Second Council of Nicaea was called under the Empress Regent Irene of Athens in 787, known as the second of Nicaea. It supports the veneration of icons while forbidding their worship. It is often referred to as "The Triumph of Orthodoxy". [web 14]
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The term "monastic Christology" has been used to describe spiritual approaches developed by Anselm of Canterbury, Peter Abelard and Bernard of Clairvaux.[ citation needed ] The Franciscan piety of the 12th and 13th centuries led to "popular Christology". Systematic approaches by theologians, such as Thomas Aquinas, are called "scholastic Christology". 
In the 13th century, Thomas Aquinas provided the first systematic Christology that consistently resolved a number of the existing issues.  In his Christology from above, Aquinas also championed the principle of perfection of Christ's human attributes.   
The Middle Ages also witnessed the emergence of the "tender image of Jesus" as a friend and a living source of love and comfort, rather than just the Kyrios image. 
John Calvin maintained there was no human element in the Person of Christ which could be separated from the Person of The Word.  Calvin also emphasized the importance of the "Work of Christ" in any attempt at understanding the Person of Christ and cautioned against ignoring the Works of Jesus during his ministry. 
The 19th century saw the rise of Liberal Protestant theology, which questioned the dogmatic foundations of Christianity, and approached the Bible with critical-historical tools. [web 15] The divinity of Jesus was problematized, and replaced with an emphasis on the ethical aspects of his teachings.  [note 21]
Catholic theologian Karl Rahner sees the purpose of modern Christology as to formulate the Christian belief that "God became man and that God-made-man is the individual Jesus Christ" in a manner that this statement can be understood consistently, without the confusions of past debates and mythologies.  [note 22] Rahner pointed out the coincidence between the Person of Christ and the Word of God, referring to Mark 8:38 and Luke 9:26 which state whoever is ashamed of the words of Jesus is ashamed of the Lord himself. 
Hans von Balthasar argued the union of the human and divine natures of Christ was achieved not by the "absorption" of human attributes, but by their "assumption". Thus, in his view, the divine nature of Christ was not affected by the human attributes and remained forever divine. 
The Nativity of Jesus impacted the Christological issues about his person from the earliest days of Christianity. Luke's Christology centers on the dialectics of the dual natures of the earthly and heavenly manifestations of existence of the Christ, while Matthew's Christology focuses on the mission of Jesus and his role as the savior.   The salvific emphasis of Matthew 1:21 later impacted the theological issues and the devotions to Holy Name of Jesus.   
Matthew 1:23 provides a key to the "Emmanuel Christology" of Matthew. Beginning with 1:23, the Gospel of Matthew shows a clear interest in identifying Jesus as "God with us" and in later developing the Emmanuel characterization of Jesus at key points throughout the rest of the Gospel.  The name 'Emmanuel' does not appear elsewhere in the New Testament, but Matthew builds on it in Matthew 28:20 ("I am with you always, even unto the end of the world") to indicate Jesus will be with the faithful to the end of the age.   According to Ulrich Luz, the Emmanuel motif brackets the entire Gospel of Matthew between 1:23 and 28:20, appearing explicitly and implicitly in several other passages. 
The accounts of the crucifixion and subsequent resurrection of Jesus provides a rich background for christological analysis, from the canonical Gospels to the Pauline Epistles. 
A central element in the christology presented in the Acts of the Apostles is the affirmation of the belief that the death of Jesus by crucifixion happened "with the foreknowledge of God, according to a definite plan".  In this view, as in Acts 2:23, the cross is not viewed as a scandal, for the crucifixion of Jesus "at the hands of the lawless" is viewed as the fulfilment of the plan of God.  
Paul's Christology has a specific focus on the death and resurrection of Jesus. For Paul, the crucifixion of Jesus is directly related to his resurrection and the term "the cross of Christ" used in Galatians 6:12 may be viewed as his abbreviation of the message of the Gospels.  For Paul, the crucifixion of Jesus was not an isolated event in history, but a cosmic event with significant eschatological consequences, as in 1 Corinthians 2:8.  In the Pauline view, Jesus, obedient to the point of death (Philippians 2:8), died "at the right time" (Romans 5:6) based on the plan of God.  For Paul, the "power of the cross" is not separable from the resurrection of Jesus. 
The threefold office (Latin munus triplex) of Jesus Christ is a Christian doctrine based upon the teachings of the Old Testament. It was described by Eusebius and more fully developed by John Calvin. It states that Jesus Christ performed three functions (or "offices") in his earthly ministry – those of prophet, priest, and king. In the Old Testament, the appointment of someone to any of these three positions could be indicated by anointing him or her by pouring oil over the head. Thus, the term messiah, meaning "anointed one", is associated with the concept of the threefold office. While the office of king is that most frequently associated with the Messiah, the role of Jesus as priest is also prominent in the New Testament, being most fully explained in chapters 7 to 10 of the Book of Hebrews.
Some Christians, notably Roman Catholics, view Mariology as a key component of Christology. [web 16] In this view, not only is Mariology a logical and necessary consequence of Christology, but without it, Christology is incomplete, since the figure of Mary contributes to a fuller understanding of who Christ is and what he did. 
Protestants have criticized Mariology because many of its assertions lack any Biblical foundation.  Strong Protestant reaction against Roman Catholic Marian devotion and teaching has been a significant issue for ecumenical dialogue. 
Joseph Cardinal Ratzinger (later Pope Benedict XVI) expressed this sentiment about Roman Catholic Mariology when in two separate occasions he stated, "The appearance of a truly Marian awareness serves as the touchstone indicating whether or not the christological substance is fully present"  and "It is necessary to go back to Mary, if we want to return to the truth about Jesus Christ." 
Adoptionism, also called dynamic monarchianism, is an early Christian nontrinitarian theological doctrine, which holds that Jesus was adopted as the Son of God at his baptism, his resurrection, or his ascension. How common adoptionist views were among early Christians is debated, but it appears to have been most popular in the first, second, and third centuries. Some scholars see adoptionism as the belief of the earliest followers of Jesus, based on the epistles of Paul and other early literature. However, adoptionist views sharply declined in prominence in the fourth and fifth centuries, as Church leaders condemned it as a heresy.
Christ, used by Christians as both a name and a title, unambiguously refers to Jesus. It is also used as a title, in the reciprocal use "Christ Jesus", meaning "the Messiah Jesus", and independently as "the Christ". The Pauline epistles, the earliest texts of the New Testament, often refer to Jesus as "Christ Jesus" or "Christ".
In the history of Christianity, docetism is the heterodox doctrine that the phenomenon of Jesus, his historical and bodily existence, and above all the human form of Jesus, was mere semblance without any true reality. Broadly it is taken as the belief that Jesus only seemed to be human, and that his human form was an illusion.
The resurrection of Jesus is the Christian belief that God raised Jesus on the third day after his crucifixion, starting – or restoring – his exalted life as Christ and Lord. According to the New Testament writing, Jesus was firstborn from the dead, ushering in the Kingdom of God. He appeared to his disciples, calling the apostles to the Great Commission of forgiving sin and baptizing repenters, and ascended to Heaven.
The nativity of Jesus, nativity of Christ, birth of Jesus or birth of Christ is described in the biblical gospels of Luke and Matthew. The two accounts agree that Jesus was born in Bethlehem in Judaea, his mother Mary was engaged to a man named Joseph, who was descended from King David and was not his biological father, and that his birth was caused by divine intervention. Many modern scholars consider the birth narratives unhistorical because they are laced with theology and present two different accounts which cannot be harmonised into a single coherent narrative. But many others view the discussion of historicity as secondary, given that gospels were primarily written as theological documents rather than chronological timelines.
Jesus is called the Son of God in the Bible's New Testament, and in mainstream Christian denominations he is God the Son, the second Person in the Trinity. He is believed to be the Jewish messiah who is prophesied in the Hebrew Bible, which is called the Old Testament in Christianity. Through his crucifixion and subsequent resurrection, God offered humans salvation and eternal life, that Jesus died to atone for sin to make humanity right with God.
In Christianity, salvation is the "saving [of] human beings from sin and its consequences, which include death and separation from God" by Christ's death and resurrection, and the justification following this salvation.
Two names and a variety of titles are used to refer to Jesus in the New Testament. In Christianity, the two names Jesus and Emmanuel that refer to Jesus in the New Testament have salvific attributes. After the crucifixion of Jesus the early Church did not simply repeat his messages, but focused on him, proclaimed him, and tried to understand and explain his message. One element of the process of understanding and proclaiming Jesus was the attribution of titles to him. Some of the titles that were gradually used in the early Church and then appeared in the New Testament were adopted from the Jewish context of the age, while others were selected to refer to, and underscore the message, mission and teachings of Jesus. In time, some of these titles gathered significant Christological significance.
Hypostatic union is a technical term in Christian theology employed in mainstream Christology to describe the union of Christ's humanity and divinity in one hypostasis, or individual personhood.
Miaphysitism is the Christological doctrine that holds Jesus, the "Incarnate Word, is fully divine and fully human, in one 'nature' (physis)." It is a position held by the Oriental Orthodox Churches and differs from the Chalcedonian position that Jesus is one "person" in two "natures", a divine nature and a human nature (Dyophysitism).
The Christ myth theory, also known as the Jesus myth theory, Jesus mythicism, or the Jesus ahistoricity theory, is the view that "the story of Jesus is a piece of mythology", possessing no "substantial claims to historical fact". Alternatively, in terms given by Bart Ehrman paraphrasing Earl Doherty, "the historical Jesus did not exist. Or if he did, he had virtually nothing to do with the founding of Christianity."
Eutychianism, also known as Real Monophysitism, refers to a set of Christian theological doctrines derived from the ideas of Eutyches of Constantinople. Eutychianism is a monophysite understanding of how the human and divine relate within the person of Jesus Christ, with Christ being in one nature and of two, with the humanity of Christ subsumed by the divinity.
In Christian theology, the incarnation is the belief that the pre-existent divine person of Jesus Christ, God the Son, the second person of the Trinity, and the eternally begotten Logos, took upon human nature and "was made flesh" by being conceived in the womb of a woman, the Virgin Mary, also known as the Theotokos. The doctrine of the incarnation then entails that Jesus was at the same time both fully God and fully human—two natures in one person.
In Christian theology, dyophysitism is the Christological position that two natures, divine and human, co-exist in the unique person of Jesus Christ God.
Christianity in the 1st century covers the formative history of Christianity from the start of the ministry of Jesus to the death of the last of the Twelve Apostles and is thus also known as the Apostolic Age. Early Christianity developed out of the eschatological ministry of Jesus. Subsequent to Jesus' death, his earliest followers formed an apocalyptic messianic Jewish sect during the late Second Temple period of the 1st century. Initially believing that Jesus' resurrection was the start of the end time, their beliefs soon changed in the expected Second Coming of Jesus and the start of God's Kingdom at a later point in time.
The pre-existence of Christ asserts the existence of Christ prior to his incarnation as Jesus. One of the relevant Bible passages is John 1:1–18 where, in the Trinitarian interpretation, Christ is identified with a pre-existent divine hypostasis called the Logos. There are nontrinitarian views that question the aspect of personal pre-existence, the aspect of divinity, or both.
Christian theology is the theology of Christian belief and practice. Such study concentrates primarily upon the texts of the Old Testament and of the New Testament, as well as on Christian tradition. Christian theologians use biblical exegesis, rational analysis and argument. Theologians may undertake the study of Christian theology for a variety of reasons, such as in order to:
Traditionally in Christianity, orthodoxy and heresy have been viewed in relation to the "orthodoxy" as an authentic lineage of tradition. Other forms of Christianity were viewed as deviant streams of thought and therefore "heterodox", or heretical. This view was challenged by the publication of Walter Bauer's Rechtgläubigkeit und Ketzerei im ältesten Christentum in 1934. Bauer endeavored to rethink Early Christianity historically, independent from the views of the current church. He stated that the 2nd-century church was very diverse and included many "heretical" groups that had an equal claim to apostolic tradition. Bauer interpreted the struggle between the orthodox and heterodox to be the "mainstream" Church of Rome struggling to attain dominance. He presented Edessa and Egypt as places where the "orthodoxy" of Rome had little influence during the 2nd century. As he saw it, the theological thought of the "Orient" at the time would later be labeled "heresy". The response by modern scholars has been mixed. Some scholars clearly support Bauer's conclusions and others express concerns about his "attacking [of] orthodox sources with inquisitional zeal and exploiting to a nearly absurd extent the argument from silence." However, modern scholars have critiqued and updated Bauer's model.
The knowledge of Christ refers to one of two possible, and at times related, topics in Christology: one addresses how Christians come to know Christ, the other focuses on the knowledge of Christ about the world. Discussions regarding the knowledge of Christ have had a central place in Christology for centuries. In the 20th century, the interplay between the two concepts was epitomized in the title of a book by Hans Urs von Balthasar: "Does Jesus Know Us? Do We Know Him?"
Son of man is an expression in the sayings of Jesus in Christian writings, including the Gospels, the Acts of the Apostles and the Book of Revelation. The meaning of the expression is controversial. Interpretation of the use of "the Son of man" in the New Testament has remained challenging and after 150 years of debate no consensus on the issue has emerged among scholars.
[Per the Gospel of John] No longer is John [the Baptizer] an independent preacher. He is but a voice, or, to change the figure, a finger pointing to Jesus. The baptism story is not told, although it is referred to (John 1:32f). But the baptism of Jesus is deprived of any significance for Jesus – not surprising since the latter has just been introduced as the preexistent Christ, who had been the effective agent responsible for the world's creation. (Enslin, p. 4)