the Spirit of his Son, crying, Abba, Father; and these are they who, having received the Word, receive power from him to become sons of God; for otherwise they could not have been sons, being by nature creatures, unless they receive the Spirit of him who is the true and natural Son of the Father. Wherefore, that this might be, the Word was made flesh, that he might make man capable of receiving the Deity.… From this it may be shewn that we are not by nature sons, but the Son in us; and again, that