Vengeance taken will often tear the heart and torment the conscience.

If God made the world, I would not be that God, for the misery of the world would break my heart.

Most men are so thoroughly subjective that nothing really interests them but themselves.

The two enemies of human happiness are pain and boredom.

After your death you will be what you were before your birth.

For, after all, the foundation of our whole nature, and, therefore, of our happiness, is our physique, and the most essential factor in happiness is health, and, next in importance after health, the ability to maintain ourselves in independence and freedom from care.

The shortness of life, so often lamented, may be the best thing about it.