Gnosticism is a collection of religious ideas and systems that coalesced in the late 1st century AD among Jewish and early Christian sects. These various groups emphasized personal spiritual knowledge (gnosis) above the proto-orthodox teachings, traditions, and authority of religious institutions.
Irenaeus was a Greek bishop noted for his role in guiding and expanding Christian communities in the southern regions of present-day France and, more widely, for the development of Christian theology by combating heterodox or Gnostic interpretations of Scripture as heresy and defining proto-orthodoxy. Originating from Smyrna, he had seen and heard the preaching of Polycarp, who in turn was said to have heard John the Evangelist, and thus was the last-known living connection with the Apostles.
The Nag Hammadi library is a collection of early Christian and Gnostic texts discovered near the Upper Egyptian town of Nag Hammadi in 1945.
Valentinus was the best known and, for a time, most successful early Christian Gnostic theologian. He founded his school in Rome. According to Tertullian, Valentinus was a candidate for bishop but started his own group when another was chosen.
The Gospel of Philip is a non-canonical Gnostic Gospel dated to around the 3rd century but lost in medieval times until rediscovered by accident, buried with other texts near Nag Hammadi in Egypt, in 1945.
The New Testament apocrypha are a number of writings by early Christians that give accounts of Jesus and his teachings, the nature of God, or the teachings of his apostles and of their lives. Some of these writings were cited as scripture by early Christians, but since the fifth century a widespread consensus has emerged limiting the New Testament to the 27 books of the modern canon. Roman Catholic, Eastern Orthodox, and Protestant churches generally do not view the New Testament apocrypha as part of the Bible.
The First Apocalypse of James is a Gnostic apocalyptic writing. Its initially rediscovery was a Coptic translation as the third tractate of Codex V in the Nag Hammadi library. Additional copies were later found in Coptic as part of the Codex Tchacos and in Greek among the Oxyrhynchus Papyri. The text uses Valentinian theologoumena, leading to the belief that the original document was written in c. 200 AD. The content of the text is a dialogue between Jesus and James the Just. The text takes a docetic view of Jesus via his statements "you are not my brother materially" and "never have I suffered in any way, nor have I been distressed." The text prepares James for his death as a martyr by emphasizing spiritual redemption over material existence.
The Apocryphon of John, also called the Secret Book of John or the Secret Revelation of John, is a 2nd-century Sethian Gnostic Christian pseudepigraphical text attributed to John the Apostle. It is one of the texts addressed by Irenaeus in his Christian polemic Against Heresies, placing its composition before 180 AD. It is presented as describing Jesus appearing and giving secret knowledge (gnosis) to his disciple John. The author describes it as having occurred after Jesus had "gone back to the place from which he came".
The Books of Jeu are two Gnostic texts. Though independent works, both the First Book of Jeu and the Second Book of Jeu appear, in Sahidic Coptic, in the Bruce Codex. They are a combination of a gospel and an esoteric revelation; the work professes to record conversations Jesus had with both the male apostles and his female disciples, and the secret knowledge (gnosis) revealed in these conversations.
The Sethians were one of the main currents of Gnosticism during the 2nd and 3rd century AD, along with Valentinianism and Basilideanism. According to John D. Turner, it originated in the 2nd century AD as a fusion of two distinct Hellenistic Judaic philosophies and was influenced by Christianity and Middle Platonism. However, the exact origin of Sethianism is not properly understood.
The Second Apocalypse of James is a Gnostic writing. It is the fourth tractate in Codex V in the Nag Hammadi library, immediately following the First Apocalypse of James. The order is a deliberate scribal choice, since the first text prepares James the Just for his death as a martyr, and the second text describes his death in detail. The existing Coptic version was likely translated in c. 300 AD from a Greek original written in c. 150 AD. In the text, James serves as a Gnostic redeemer who tries unsuccessfully to persuade the people to understand God before his martyrdom.
The Gnostic Apocalypse of Peter, also known as the Coptic Apocalypse of Peter and Revelation of Peter, is the third tractate in Codex VII of the Nag Hammadi library. The work is associated with Gnosticism, a sect of early Christianity, and is considered part of the New Testament apocrypha and a work of apocalyptic literature. It was likely originally written in the Koine Greek language and composed around 200 CE. The surviving manuscript from Nag Hammadi is a poor-quality translation of the Greek into Coptic, and likely dates from the 4th century.
The Gospel of the Truth is one of the Gnostic texts from the New Testament apocrypha found in the Nag Hammadi codices ("NHC"). It exists in two Coptic translations, a Subakhmimic rendition surviving almost in full in the first Nag Hammadi codex and a Sahidic in fragments in the twelfth codex.
Valentinianism was one of the major Gnostic Christian movements. Founded by Valentinus in the 2nd century AD, its influence spread widely, not just within Rome but also from Northwest Africa to Egypt through to Asia Minor and Syria in the East. Later in the movement's history it broke into an Eastern and a Western school. Disciples of Valentinus continued to be active into the 4th century AD, after the Roman Emperor Theodosius I issued the Edict of Thessalonica, which declared Nicene Christianity as the State church of the Roman Empire.
Against Heresies, sometimes referred to by its Latin title Adversus Haereses, is a work of Christian theology written in Greek about the year 180 by Irenaeus, the bishop of Lugdunum.
The Tripartite Tractate is a Valentinian Gnostic work. The date is estimated to the second half of the third century or the fourth century but is "most likely based on an earlier Greek version." It is the second-longest text in the Nag Hammadi library. It is the fifth tractate of the first codex, known as the Jung Codex. It is untitled, and instead it gets its name "from the fact that the ancient copyist divided the text with decorative markings in two places, thus separating the tractate into three parts." The first part describes the relationship between the Father, the Logos, the Church, and the aeons. The second part contains the Gnostic creation narrative, in which man is created by the Demiurge and is a mixture of both spiritual and material substances. The third part explains the Savior's role in salvation.
The Treatise on the Resurrection is an ancient Gnostic or quasi-Gnostic Christian text which was found at Nag Hammadi, Egypt. It is also sometimes referred to as "The Letter to Rheginos" because it is a letter responding to questions about the resurrection posed by Rheginos, who may have been a non-Gnostic Christian.
A Valentinian Exposition is the second tractate from Codex XI of the Nag Hammadi Library. Less than half of the text has been preserved. The text explores the relationship between God, the created world, and humanity. It states that the material world is a shadow of the spiritual world and that humanity is a mixture of spiritual and carnal elements. The Demiurge, a lower deity, is responsible for creating the physical world and humanity, and the Devil, who is one of the divine beings, expelled his root from the body of humanity and caused the world to fall into sin. It also explores themes such as salvation through knowledge and understanding of one's true identity.
The Untitled Text in the Bruce Codex—also called the Untitled Treatise, the Untitled Apocalypse, and The Gnosis of the Light—is a Gnostic text. When James Bruce acquired the codex in Egypt in 1769, "very little knowledge" was available about this period of Gnostic Christianity. It was one of the few known surviving Gnostic works until the discovery of the Nag Hammadi library in 1945. Carl Schmidt described the text's author as having "full knowledge of Greek philosophy" and being "full of the doctrine of the Platonic ideas."
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