181. You observe, then, from His words that the unity of the divine greatness is pointed out, and that Christ cannot be denied to be a Fount even by heretics, since the Spirit, too, is called a Fount. And as the Spirit is called a river, so, too, the Father said: “Behold, I come down upon you like a river of peace, and like a stream overflowing the glory of the Gentiles.” Isa. lxvi. 12. And who can doubt that the Son of God is the River of life, from Whom the streams of eternal life flowed forth?