Nicene and Post-Nicene Fathers: Series II/Volume XI/John Cassian/Conferences of John Cassian, Part I/Conference V/Chapter 9

Chapter IX.

How dejection and accidie generally arise without any external provocation, as in the case of other faults.

and accidie generally arise without any external provocation, like those others of which we have been speaking: for we are well aware that they often harass solitaries, and those who have settled themselves in the desert without any intercourse with

other men, and this in the most distressing way. And the truth of this any one who has lived in the desert and made trial of the conflicts of the inner man, can easily prove by experience.