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© 2026 · 1.7.2 · Public-domain texts unless otherwise noted.

The Institutes

SaintsSt. John CassianThe Institutes
The InstitutesSt. John Cassian

The Institutes

The twelve books on the rules of the monasteries and the eight faults

By St. John Cassian

6 h 46 min · Age of the Councils · Latin West · Desert Fathers

  • Gluttony
  • Avarice
  • Anger
  • Sorrow
  • Despondency
  • Vainglory

What Cassian saw in Egypt, written down for the monasteries of Gaul: how the monks dressed, prayed, and kept the night office, and then the eight thoughts that make war on the soul. The book that taught the Latin West to pray as the desert prayed.

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Source: St. John Cassian, The Twelve Books on the Institutes of the Coenobia, and the Remedies for the Eight Principal Faults. From the Nicene and Post-Nicene Fathers, Series 2, Vol. 11 (ed. Philip Schaff). Public domain.