The man who is always worrying about whether or not his soul would be damned generally has a soul that isn't worth a damn.

Chicago sounds rough to the maker of verse. One comfort we have - Cincinnati sounds worse.

Put not your trust in money, but put your money in trust.

A child's education should begin at least one hundred years before he is born.

When men have realized that time has upset many fighting faiths, they may come to believe... that the ultimate good desired is better reached by free trade in ideas-- that the best test of truth is the power of the thought to get itself accepted in the competition of the market, and that truth is the only ground upon which their wishes safely can be carried out. That at any rate is the theory of our Constitution. It is an experiment. As all life is an experiment. Every year if not every day we wager our salvation upon some prophecy based upon imperfect knowledge.

I think that, as life is action and passion, it is required of a man that he should share the passion and action of his time at peril of being judged not to have lived.

Civilization is the process of reducing the infinite to the finite.