There is no king who has not had a slave among his ancestors, and no slave who has not had a king among his.

To keep on trying in spite of disappointment and failure is the only way to keep young and brave. Failures become victories if they make us wise-hearted.

Worse than being blind would be to be able to see but not have any vision.

We can do anything we want to if we stick to it long enough.

I believe humility is a virtue, but I prefer not to use it unless it is absolutely necessary.

My optimism is grounded in two worlds, myself and what is about me. I demand that the world be good, and lo, it obeys. I proclaim the world good, and facts range themselves to prove my proclamation overwhelmingly true.

Blindness separates us from things but deafness separates us from people.