Truly it is an evil to be full of faults; but it is a still greater evil to be full of them and to be unwilling to recognize them, since that is to add the further fault of a voluntary illusion.

Death is easier to bear without thinking of it, than the thought of death without peril.

Men are so completely fools by necessity that he is but a fool in a higher strain of folly who does not confess his foolishness.

The weakness of human reason appears more evidently in those who know it not than in those who know it.

The truth about nature we discover with our brains. The truth about religion we discover with our hearts.

The best defense against logic is ignorance.

What part of us feels pleasure? Is it our hand, our arm, our flesh, or our blood? It must obviously be something immaterial.