Our mind, in so far as it knows itself and the body under the form of eternity, has to that extent necessarily a knowledge of God, and knows that it is in God, and is conceived through God.
Proof .-- Eternity is the very essence of God, in so far as this involves necessary existence (I.Def.

viii.).

Therefore to conceive things under the form of eternity, is to conceive things in so far as they are conceived through the essence of God as real entities, or in so far as they involve existence through the essence of God; wherefore our mind, in so far as it conceives itself and the body under the form of eternity, has to that extent necessarily a knowledge of God, and knows, &c.

Q.E.D.
PROP.XXXI.

The third kind of knowledge depends on the mind, as its formal cause, in so far as the mind itself is eternal.
Proof .-- The mind does not conceive anything under the form of eternity, except in so far as it conceives its own body under the form of eternity (V.xxix.); that is, except in so far as it is eternal (V.xxi.