We have, then, adequately demonstrated that there is a God, and that His essence is incomprehensible. But that God is one Various reading, but that He is one. and not many is no matter of doubt to those who believe in the Holy Scriptures. For the Lord says in the beginning of the Law: I am the Lord thy God, which have brought thee out of the land of Egypt. Thou shalt have no other Gods before Me Exod. xx. 2, 3.. And again He says, Hear, O Israel, the Lord our God is one Lord Deut. vi. 4.. And in Isaiah the prophet we read, For I am the first God and I am the last, and beside Me there is no God. Before Me there was not any God, nor after Me will there be any God, and beside Me there is no God Isai. xliii. 10.. And the Lord, too, in the holy gospels speaketh these words to His Father, And this is life eternal, that they may know Thee the only true God St. John xvii. 3.. But with those that do not believe in the Holy Scriptures we will reason thus.