30. Having, then, briefly restated these points regarding the nature of the Trinity, it follows that we notice shortly this statement also, that “by the Son” are said to be created “all things that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by Him, and for Him; and He is before all, and all things consist by Him, who is the Head.” In conformity with which John also in his Gospel says: “All things were created by Him; and without Him was not anything made.” And David, intimating that the mystery of the entire Trinity was (concerned) in the creation of all things, says: “By the Word of the Lord were the heavens made; and all the host of them by the Spirit of His mouth.”