If you don't like something, change it. If you can't change it, change your attitude. Don't complain.

I'd rather be an optimist and a fool than a pessimist and right.

It's what you learn after you know it all that counts.

I think nature's imagination Is so much greater than man's, she's never going to let us relax.

The number one problem that keeps people from winning in the United States today is lack of belief in themselves.

People don't realize how a man's whole life can be changed by one book.

I long to accomplish a great and noble task; but it is my chief duty to accomplish small tasks as if they were great and noble

I seldom end up where I wanted to go, but almost always end up where I need to be.

The starting point of all achievement is desire. Keep this constantly in mind. Weak desires bring weak results, just as a small amount of fire makes a small amount of heat.

Courage is the thing. All goes if courage goes.

You must find the place inside yourself where nothing is impossible.

The meaning of life is that it is to be lived, and it is not to be traded and conceptualized and squeezed into a patter of systems.

If you can accept losing, you can't win.

Great work requires great and persistent effort for a long time. … Character has to be established through a thousand stumbles.

Always remember you are braver than you believe, stronger than you seem, smarter than you think and twice as beautiful as you’ve ever imagined.

The man with no imagination has no wings.

No matter what people tell you, words and ideas can change the world.

Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

For every man there exists a bait which he cannot resist swallowing.

Do not let it be your aim to be something, but to be someone.

Great things are not done by impulse, but by a series of small things brought together.