(flourished 2nd century AD, Alexandria) Founder of the Basilidian school of Gnosticism. According to Clement of Alexandria, Basilides claimed to base his teaching on a secret tradition of Peter the Apostle. He wrote psalms, odes, commentaries on the Gospels, and his own gospel. Fragments of these writings and varying accounts by Clement, St. Irenaeus, and others suggest that his system of belief included elements from Neoplatonism as well as the New Testament. The school survived in Egypt until the 4th century.
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Basilides (early 2nd century) was an early Christian religious teacher in Alexandria, Egypt. He apparently wrote twenty-four books on the Gospel and promoted a dualism influenced by Zoroastrianism. His followers formed a Gnostic sect, the Basilideans. Historians know of Basilides and his teachings only through the writings of his detractors, Agrippa Castor, Irenæus, Clement of Alexandria, and Hippolytus of Rome. It is impossible to determine how reliable these hostile accounts are.
The oldest refutation of the teachings of Basilides, by Agrippa Castor, is lost, and we are dependent upon the later accounts of Irenæus, Clement of Alexandria, and Hippolytus of Rome, who in his Philosophumena, gives a presentation entirely different from the other sources. It either rests on corrupt accounts, or, more probably, on those of a later, post-Basilidian phase of the system. Hippolytus describes a monistic system, in which Hellenic, or rather Stoic, conceptions stand in the foreground, whereas the genuine Basilides is an Oriental through and through, who stands in closer relationship to Zoroaster than to Aristotle.
Twentieth-century psychoanalyst Carl Jung wrote his Seven Sermons to the Dead and attributed them to Basilides. The Argentine writer Jorge Luis Borges was interested in Irenaeus' account of Basilides' Gnostic doctrine and wrote an essay on the subject: "A Vindication of the False Basilides" (1932). Basilides is also mentioned in Borges's short story "Three Versions of Judas" (1944), which opens with the striking passage "In Asia Minor or in Alexandria, in the second century of our faith, when Basilides published that the Cosmos was a reckless or evil improvisation by deficient angels... "