Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.

Dad, you've done a lot of great things, but you're a very old man, and old people are useless.

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

Success is going from failure to failure without loss of enthusiasm.

I do know that when I am 60, I should be attempting to achieve different personal goals than those which had priority at age 20.

This is the real secret of life - to be completely engaged with what you are doing in the here and now. And instead of calling it work, realize it is play.

Change yourself and your work will seem different.

The man who is swimming against the stream knows the strength of it.

The way to screw up somebody's life is to give them what they want.

Deadlines just aren't real to me until I'm staring one in the face.

There are many ways of going forward, but only one way of standing still.

Tell the audience what you're going to say, say it; then tell them what you've said.

Success is neither magical nor mysterious. Success is the natural consequence of consistently applying the basic fundamentals.

The role of the artist is to ask questions, not answer them.

Thinking is the hardest work there is, which is probably the reason so few engage in it.

Speak softly and carry a big stick; you will go far.

I'm a slow walker, but I never walk back.

With any part you play, there is a certain amount of yourself in it. There has to be, otherwise it's just not acting. It's lying.

I never pick up an item without thinking of how I might improve it.

Most people spend more time and energy going around problems than in trying to solve them.

Workers of the world unite; you have nothing to lose but your chains.