Don't tell me what you believe in. I'll observe how you behave and I will make my own determination.

Don't minimize the importance of luck in determining life's course.

If you can't be in awe of Mother Nature, there's something wrong with you.

It's very important in life to know when to shut up. You should not be afraid of silence.

You should never wear a baseball cap when working in close quarters in the attic: You never see that beam above you!

When I finish as the host of 'Jeopardy!' I'm going to go up to Taft in central California. They have a small college there that teaches you about oil drilling.

My life is what it is, and I can't change it. I can change the future, but I can't do anything about the past.