in us, as we can see in regard to first principles. But as Damascene says (De Fid. Orth. i, 1, 3),1 “the knowledge of God is naturally implanted in all.” Therefore the existence of God is self-evident. Obj. 2. Further, those things are said to be self-evident which are known as soon as the terms are known, which the Philosopher says2 is true of the first principles of demonstration. Thus, when the nature of a whole and of a part is known, it is at once known that every whole is greater than its