Ignorance, when it is voluntary, is criminal; and he may be properly charged with evil who refused to learn how he might prevent it.

Probably no one will ever know whether it is better to wear a nightcap or not.

The mind is seldom quickened to very vigorous operations but by pain, or the dread of pain. We do not disturb ourselves with the detection of fallacies which do us no harm.

If the abuse be enormous, nature will rise up, and claiming her original rights, overturn a corrupt political system.

Music is the only sensual pleasure without vice.

The use of traveling is to regulate imagination by reality.

It is generally agreed, that few men are made better by affluence or exaltation.