Work, work, work, is the main thing.

The Bible is not my book and Christianity is not my religion. I could never give assent to the long complicated statements of Christian dogma.

If a man will stand up and assert, and repeat and re-assert, that two and two do not make four, I know nothing in the power of argument that can stop him.

Weakness is what keeps driving us to God, by the overwhelming conviction that there just isn't anywhere else to go.

Gen. Schurz thinks I was a little cross in my late note to you. If I was, I ask pardon. If I do get up a little temper I have no sufficient time to keep it up.

I will either be America's greatest president or its last.

It is the quality of revolutions not to go by old lines or old laws; but to break up both, and make new ones.