The authors of slanders against me allege that I divide the one Lord Jesus Christ into two sons. But so far am I from holding this opinion that I charge with impiety all who dare to say so. For I have been taught by the divine Scripture to worship one Son, our Lord Jesus Christ, the only begotten Son of God, God the Word incarnate. For we confess the same to be both God eternal, and made man in the last days for the sake of man’s salvation; but made man not by the change of the Godhead but by the assumption of the manhood. For the nature of this godhead is immutable and invariable, as is that of the Father who begat Him before the ages. And whatever would be understood of the substance of the Father will also be wholly found in the substance of the only begotten; for of that substance He is begotten. This our Lord taught when He said to Philip “He that hath seen me hath seen the Father” and again in another place “All things that the Father hath are mine,” and elsewhere “I and the Father are one,” and very many other passages may be quoted setting forth the identity of substance.