John Cassian
(c. 365 - c. 433)

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Synopsis

CASSIANUS, Johannes, b. between 359 and 360; d. between 440 and 450; was educated in a monastery at Bethlehem, under the tutelage of abbot Germanus. In 390 the master and his pupil, now two friends, made a pilgrimage to the Egyptian hermits; and this oasis of stillness and quiet, situated on the very confines of the confusion and restlessness of the ancient world, made so deep an impression on the two wanderers, that they remained there for seven years. Leaving Egypt, they repaired to Constantinople, where Cassianus was consecrated a deacon by Chrysostom; but after the overthrow of Chrysostom (404) Cassianus went to Rome alone. Of Germanus nothing more is heard. The sack of Rome by Alaric, made upon Cassianus, as upon so many others, the impression that peace and safety could not be attained except by leaving society and the stir of the multitude, and settling down in solitude. he went to Massilia, founded two monasteries (one for men and one for women), and wrote, for the instruction of his pupils, De Caenohioruni Institutis Libri XII., and Collationes Patrum XXIV. In the former of these works he gives first the external rules after which a hermit’s life is led, and then he describes the internal labor by which the final goal is reached. In the latter he gives his experiences from the Egyptian hermits. By these books, and by his two foundations, he introduced monasticism in the Western Church.

Also from another side the Western Church was deeply moved at that moment, namely, by the genius of Augustine. But the discrepancy between the ideas of Augustine and the theological system of the Eastern Church, in which Cassianus was educated, was so great, that he never felt able to adopt such doctrines as those of predestination, the irresistibility of grace, etc. He did not separate himself, however, so far from the views of Augustine as to embrace those of Pelagius. On the contrary, on the instance of Leo the Great, he wrote his De Incarnatione Libri VII., directly against Nestorianism, but indirectly against Pelagianism; and thus he became the founder and first representative of semi-Pelagianism. The best collected edition of his works is that by GAZAEUS, Douai, 1616, which has been often reprinted, latest at Leipzig, 1733. An accurate analysis of his stand-point has been given by G. Fr.WIGGERS: Darstellung des Augustinismus und Pelagianismus, 1833, II. pp. 6-183. [There is an Italian translation of Cassianus’s work, Venice, 1663, and a French, Paris, 1667.]

Thiersch,"CASSIANUS, Johannes," Philip Schaff, ed., A Religious Encyclopaedia or Dictionary of Biblical, Historical, Doctrinal, and Practical Theology, 3rd edn., Vol. 1. Toronto, New York & London: Funk & Wagnalls Company, 1894. p.413.

Primary Sources

	John Cassian, Nicene & Post Nicene Fathers, 2nd series, Vol. 11. E.C.S. Gibson, translator. Edinburgh: T & T Clark, 1894. pp.161-621.
	John Cassian, Selection from Conferences in Owen Chadwick, Western Asceticism, J. Baillie et al. Library of Christian Classics, Vol. 12. Philadelphia: Westminster, 1953-1966. pp.190-289.
	C. Luibheid, translator, John Cassian: Conferences, R.J. Payne, et al, Classics of Western Spirituality. New York: Paulist, 1985. Pbk. ISBN: 080912694X. pp.201. {CBD}

Secondary Sources

	Augustine Michael Casiday, "Apatheia and Sexuality in the Thought of Augustine and Cassian," St. Vladimir's Theological Quarterly 45.4 (2001): 359-394.
	D. Burton-Christie, "Scripture, Self-Knowledge and Contemplation in Cassian's Conferences," Studia Patristica 25 (1993): 339-45.
	John Cassian (Christian Classic Ethereal Library)
	Owen Chadwick, John Cassian: A Study in Primitive Monasticism, 2nd edn. London: Cambridge University Press, 1968. Hbk. ISBN: 0521046076.
	G.J. Crites, "John Cassian and the Development of Early Irish Christianity: A Study of the State of the Literature," American Benedictine Review 53.4 (2002): 377-399.
	Steven D. Driver, John Cassian and the Reading of Egyptian Monastic Culture. London: Routledge, 2013. ISBN: 9781136708046. pp.166. [Sign-up to Perlego and access book instantly]
	C. Folsam, "Anger, Dejection and Acedia in the Writings of John Cassian," American Benedictine Review, Vol. 35 (1984): 219-248.
	Fred Guyette, "John Cassian on Faith and Action: Implications for Protestant-Catholic Dialogue," Pro Ecclesia 12.1 (Winter 2003): 89-98.
	James Harper, "John Cassian and Sulpicius Severus," Church History 34. 4 (Dec. 1965): 371-380.
	John Cassian (Maurice M. Hassett)
	Daniel J. Heisey, "John Cassian and the Jews," Cistercian Studies Quarterly 41.1 (2006): 3-16.
	Dominic Keech, "John Cassian and the Christology of Romans 8,3," Vigiliae Christianae 64.3 (2010): 280-299.
	Rebecca Krawiec, "Monastic Literacy in John Cassian: Toward a New Sublimity," Church History 81.4 (Dec. 2012): 765-795.
	M.S. Laird, "Cassian's Conferences Nine and Ten: Some Observations Regarding Contemplation and Hermeneutics," Recherches de théologie ancienne et médiévale 62 (1995): 145-66.
	J.T. Lienhard, "On 'Discernment of Spirits' in the Early Church (1 Cor 12:10 for Chrysostom, Origen, Athanasius; Cassian," Theological Studies 41 (1980): 505-29.
	John J. Levko, "Incessant Prayer and John Cassian," Diakonia 28.2 (1995): 71-90.
	John J. Levko, "Patience in a Life of Prayer for John Cassian," Diakonia 28.3 (1995): 167-172.
	John Levko, "The Relationship of Prayer to Discretion and Spiritual Direction for John Cassian," Vladimir's Theological Quarterly 40.3 (1996): 155-171.
	John J. Levko, "Temptation and Its Relationship to Prayer for John Cassian," Diakonia 29.2 (1996): 85-94.
	John J. Levko, "Self-Control in a Life of Prayer for John Cassian," Diakonia 29.2 (1996): 142-154.
	John Levko, "Inside Prayer with John Cassian," Diakonia 30.2-3 (1997): 165-173.
	John Levko, "The Spiritual Journey from Lukewarmness to Steadfastness for John Cassian," Diakonia 31.1 (1998): 5-13.
	D.J. MacQueen, "John Cassian on Grace and Free Will with Particular Reference to Institutio XIII and Callatio XII," Recherches de théologie ancienne et médiévale, Vol. 44 (1977): 5-28.
	Sofia Millican, "Spiritual Encouragement in the Conferences of John Cassian Part I," Cistercian Studies Quarterly 49.2 (2014): 145-162.
	Sofia Millican, "Spiritual Encouragement in the Conferences of John Cassian Part II," Cistercian Studies Quarterly 49.3 (2014): 279-297.
	Jonathan Morgan, "Obedience in Egyptian Monasticism According to John Cassian," St Vladimir’s Theological Quarterly 55.3 (2011): 271-291.
	Peter. Munz, "John Cassian," The Journal of Ecclesiatical History 11.1 (1960): 1-22.
	Andrew Nichols, "Divine Medicine: Trials According to John Cassian," Stone-Campbell Journal 23.1 (Spring 2020): 35-45.
	J. Rippinger, "The Concept of Obedience in the Monastic Writings of Basil and Cassian," Studia monastica, Vol. 19 (1977): 7-18.
	Philip Rousseau, "Cassian, Contemplation of the Cenobotic Life," Journal of Ecclesiastical History. 26 (1975): 113-126.
	Philip Rousseau, Ascetics, Authority and the Church in the Age of Jerome and Cassian, 2nd edn. Oxford & New York: Oxford University Press, 1978. Hbk. ISBN: 0198218702. pp.169-234. [Sign-up to Perlego and access book instantly]
	Kenneth C. Russell, "John Cassian on Sadness," Cistercian Studies Quarterly 38.1 (2003): 7-18.
	Edward Sellner , "Cassian and the Elders: Formation and Spiritual Direction in the Desert," Studies in Formative Spirituality 13.3 (1992): 305-322.
	Stuart Squires, "Cassian on Sinlessness," Cistercian Studies Quarterly 48.4 (2013): 411-432.
	Columba Stewart, "The Monastic Journey According to John Cassian," Word and Spirit 15 (1993): 29-39.
	Columba Stewart, "Writing about John Cassian in the 1990's," American Benedictine Review 48.4 (1997): 341-346.
	Rebecca Harden Weaver, "The Experience of Scripture: The Anti-predestinarian Argument of John Cassian," Insights 109.2 (1994): 39-47.