To die completely, a person must not only forget but be forgotten, and he who is not forgotten is not dead.

Whatsoever we perpetrate, we do but row; we are steered by fate.

Prayers are to men as dolls are to children. They are not without use and comfort, but it is not easy to take them very seriously.

The only absolute morality is absolute stagnation.

The public buys its opinions as it buys its meat, or takes in its milk, on the principle that it is cheaper to do this than to keep a cow. So it is, but the milk is more likely to be watered.

You cannot have a thing "matter" by itself which shall have no motion in it, nor yet a thing "motion" by itself which shall exist apart from matter; you must have both or neither. You can have matter moving much, or little, and in all conceivable ways; but you cannot have matter without any motion more than you can have motion without any matter that is moving.

Man, unlike the animals, has never learned that the sole purpose of life is to enjoy it.