It is the duty of the human understanding to understand that there are things which it cannot understand, and what those things are. Human understanding has vulgarly occupied itself with nothing but understanding, but if it would only take the trouble to understand itself at the same time it would simply have to posit the paradox.

Sleeping is the height of genius

The proud person always wants to do the right thing, the great thing. But because he wants to do it in his own strength, he is fighting not with man, but with God.

Worldly wisdom thinks that love is a relationship between man and man. Christianity teaches that love is a relationship between man-God-man, that is, that God is the middle term.

People demand freedom of speech as a compensation for the freedom of thought which they seldom use.

The extreme rarity of transitional forms in the fossil record persists as the trade secret of paleontology.

The door to happiness opens outward.