If we should put god in the Constitution there would be no room left for man.

In nature there are neither rewards nor punishments; there are consequences.

Secularism is a religion, a religion that is understood. It has no mysteries, no mumblings, no priests, no ceremonies, no falsehoods, no miracles, and no persecutions.

There are treasures in books that all the money in the world cannot buy, but the poorest laborer can have for nothing.

It is perfectly delightful to take advantage of the conscientious labors of those who go through and through volume after volume, divide with infinite patience the gold from the dross, and present us with the pure and shining coin. Such men may be likened to bees who save us numberless journeys by giving us the fruit of their own.

Logic is not satisfied with assertion. It cares nothing for the opinions of the great; nothing for the prejudices of the many, and least of all for the superstitions of the dead.

By physical liberty I mean the right to do anything which does not interfere with the happiness of another. By intellectual liberty I mean the right to think and the right to think wrong.