You always admire what you really don't understand.

There are only three types of people; those who have found God and serve him; those who have not found God and seek him, and those who live not seeking, or finding him. The first are rational and happy; the second unhappy and rational, and the third foolish and unhappy.

If a man loves a woman for her beauty, does he love her? No; for the smallpox, which destroys her beauty without killing her, causes his love to cease. And if any one loves me for my judgment or my memory, does he really love me? No; for I can lose these qualities without ceasing to be.

Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.

The world is ruled by force, not by opinion; but opinion uses force.

All err the more dangerously because each follows a truth. Their mistake lies not in following a falsehood but in not following another truth.

If we regulate our conduct according to our own convictions, we may safely disregard the praise or censure of others.