Cassian was a monk and ascetic writer of Southern Gaul, and the first to introduce the rules of Eastern monasticism into the West, b. probably in Provence about 360; d. about 435, probably near Marseilles. Gennadius refers to him as a Scythian by birth (natione Scytha), but this is regarded as an erroneous statement based on the fact that Cassian passed several years of his life in the desert of Scete (heremus Scitii) in Egypt. The son of wealthy...