Nicene and Post-Nicene Fathers: Series II/Volume XI/John Cassian/Conferences of John Cassian, Part I/Conference VIII/Chapter 2
Chapter II.
Statements on the different kinds of spiritual wickednesses.
Then Germanus: We want to know what is the origin of the great variety of hostile powers opposed to men, and the difference between them, which the blessed Apostle sums up as follows: “We wrestle not against flesh and blood, but against principalities, against powers, against the world-rulers of this darkness, against spiritual wickedness in heavenly places:”[1] and again: “Neither angels nor principalities nor powers nor any other creature, can separate us from the love of God which is in Christ Jesus our Lord.”[2] Whence then arises the enmity of all this malice jealous of us? Are we to believe that those powers were created by the Lord for this; viz., to fight against men in these grades and orders?