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

Anticipate the difficult by managing the easy

Don't mistake activity with achievement.

All your dreams can come true if you have the courage to pursue them

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

If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.

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

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

Any fact facing us is not as important as our attitude toward it, for that determines our success or failure

A man paints with his brains and not with his hands.

Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.

Be quick, but don't hurry.

Chop your own wood and it will warm you twice

You've got to be very careful if you don't know where you're going, because you might not get there.

I will prepare and some day my chance will come.

When you play, play hard; when you work, don't play at all.

Real success can only come if there is a change in our societies and in our economics and in our politics.

To invent, you need a good imagination and a pile of junk.

Lisa, if you don't like your job you don't strike. You just go in every day and do it really half-assed. That's the American way.

The term 'serious actor' is kind of an oxymoron, isn't it? [Like] 'Republican party' [or] 'airplane food'.

Action is the foundational key to all success.