Against Eunomius: After this he shows that the Son, who truly is, and is in the bosom of the Father, is simple and uncompounded, and that, He Who redeemed us from bondage is not under dominion of the Father, nor in a state of slavery: and that otherwise not He alone, but also the Father Who is in the Son and is One with Him, must be a slave; and that the word “being” is formed from the word to “be.” And having excellently and notably discussed all these matters, he concludes the book · Theoria