It is only the warlike power of a civilized people that can give peace to the world.

If there is not the war, you don't get the great general; if there is not a great occasion, you don't get a great statesman; if Lincoln had lived in a time of peace, no one would have known his name.

A man's usefulness depends on his living up to his ideals insofar as he can. It is hard to fail but it is worse never to have tried to succeed. All daring and courage, all iron endurance of misfortune, make for a finer, nobler type of manhood. Only those are fit to live who do not fear to die; and none are fit to die who have shrunk from the joy of life and the duty of life.

We have become great because of the lavish use of our resources ... But the time has come to inquire seriously what will happen when our forests are gone, when the coal, the iron, the oil and the gas are exhausted.

Almost every man who has by his life-work added to the sum of human achievement of which the race is proud, of which our people are proud, almost every such man has based his life-work largely upon the teachings of the Bible

The credit belongs to the man who is actually in the arena..who errs, who comes short again and again; but who does actually strive to do the deeds; who spends himself in a worthy cause.

The credit belongs to the man who is actually in the arena; whose face is marred with dust and sweat; who strives valiantly; who errs and may fall again and again, because there is no effort without error or shortcoming.