Custom determines what is agreeable.

It is incomprehensible that God should exist, and it is incomprehensible that he should not exist.

All our reasoning boils down to yielding to sentiment.

There are only two kinds of men: the righteous who think they are sinners and the sinners who think they are righteous.

Our true dignity consists — in thought. Thence we must derive our elevation, not from space or duration. Let us endeavor then to think well; this is the principle of morals.

Faith is different from proof; the latter is human, the former is a Gift from God.

The sensitivity of men to small matters, and their indifference to great ones, indicates a strange inversion.