John Cassian, Conferences I–X VII.18: A question whether among the devils there is any order observed in the attack, or system in its changes

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

Germanus: Must we then 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: “Thou shalt seek wisdom among the ungodly and shalt not find it; and: “our enemies are senseless;” and this: “There is neither wisdom, nor courage, nor counsel among the ungodly.”