The price paid for intellectual pacification is the sacrifice of the entire moral courage of the human mind.

There are many truths of which the full meaning cannot be realized until personal experience has brought it home.

It often happens that the universal belief of one age of mankind — a belief from which no one was, nor without an extraordinary effort of genius and courage, could at that time be free — becomes to a subsequent age so palpable an absurdity, that the only difficulty then is to imagine how such a thing can ever have appeared credible.

Ask yourself whether you are happy, and you cease to be so.

History shows that great economic and social forces flow like a tide over communities only half conscious of that which is befalling them. Wise statesmen foresee what time is thus bringing, and try to shape institutions and mold men's thoughts and purposes in accordance with the change that is silently coming on. The unwise are those who bring nothing constructive to the process, and who greatly imperil the future of mankind by leaving great questions to be fought out between ignorant change on one hand and ignorant opposition to change on the other.

Every established fact which is too bad to admit of any other defence is always presented to us as an injunction of religion.

What citizens of a free country would listen to any offers of good and skillful administration in return for the abdication of freedom?