Absolute identity with one's cause is the first and great condition of successful leadership.

Big business is not dangerous because it is big, but because its bigness is an unwholesome inflation created by privileges and exemptions which it ought not to enjoy.

Let me... remind you that it is only by working with an energy which is almost superhuman and which looks to uninterested spectators like insanity that we can accomplish anything worth the achievement. Work is the keystone of a perfect life. Work and trust in God.

If I cannot retain my moral influence over a man except by occasionally knocking him down, if that is the only basis upon which he will respect me, then for the sake of his soul I have got occasionally to knock him down.

And while you bring all countries with you, you come with a purpose of leaving all other countries behind you - bringing what is best of their spirit, but not looking over your shoulders and seeking to perpetuate what you intended to leave behind in them.

Once lead this people into war, and they'll forget there ever was such a thing as tolerance. To fight, you must be brutal and ruthless, and the spirit of ruthless brutality will enter into the very fiber of our national life, infecting Congress, the courts, the policeman on the beat, the man in the street.

No man can sit down and withhold his hands from the warfare against wrong and get peace from his acquiescence.