You have to believe in yourself when no one else does—that's what makes you a winner.

A man knows when he is growing old because he begins to look like his father.

There is only one boss. The customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else.

"Humor is the great thing, the saving thing. The minute it crops up, all our irritations and resentments slip away and a sunny spirit takes their place."

The true cost of inequality is the potential that goes unrealized.

We are all obsessed with the idea of the frontier, but it's a frontier that keeps receding.

Do not feel absolutely certain of anything.

I'm a woman on a mission, and I won't stop until I achieve it.