The great social adventure of America is no longer the conquest of the wilderness but the absorption of fifty different peoples.

I do not despise genius-indeed, I wish I had a basketful of it. But yet, after a great deal of experience and observation, I have become convinced that industry is a better horse to ride than genius. It may never carry any man as far as genius has carried individuals, but industry-patient, steady, intelligent industry-will carry thousands into comfort, and even celebrity; and this it does with absolute certainty.

The only feeling that anyone can have about an event he does not experience is the feeling aroused by his mental image of that event ... For it is clear enough that under certain conditions men respond as powerfully to fictions as they do to realities.

It is not the idea as such which the censor attacks, whether it be heresy or radicalism or obscenity. He attacks the circulation of the idea among the classes which in his judgment are not to be trusted with the idea.

A man who has humility will have acquired in the last reaches of his beliefs the saving doubt of his own certainty.

Men have been barbarians much longer than they have been civilized. They are only precariously civilized, and within us there is the propensity, persistent as the force of gravity, to revert under stress and strain, under neglect or temptation, to our first natures.

Democracy is much too important to be left to public opinion.