Nicene and Post-Nicene Fathers: Series II/Volume XI/John Cassian/Conferences of John Cassian, Part I/Conference VII/Chapter 18

Chapter XVIII.

A question whether among the devils there is any order observed in the attack, or system in its changes.

believe that wickedness is arranged and so to speak systematized among them in such a way that there is some order in the changes observed by them, and a regular plan of attack carried out, though it is clear that method and system can only exist among good and upright men, as Scripture says: &#8220;Thou shalt seek wisdom among the ungodly and shalt not find it; and: &#8220;our enemies are senseless;&#8221; and this: &#8220;There is neither wisdom, nor courage, nor counsel among the ungodly.&#8221;
 * Must we then