There are at bottom but two possible religions--that which rises in the moral nature of man, and which takes shape in moral commandments, and that which grows out of the observation of the material energies which operate in the external universe.

Ignorance is the dominion of absurdity.

Wild animals never kill for sport. Man is the only one to whom the torture and death of his fellow creatures is amusing in itself.

Justice without wisdom is impossible.

The moral system of the universe is like a document written in alternate ciphers, which change from line to line.

Men think to mend their condition by a change of circumstances. They might as well hope to escape from their shadows.

We cannot live on probabilities. The faith in which we can live bravely and die in peace must be a certainty, so far as it professes to be a faith at all, or it is nothing.