I spent my first 50 years trying to become known as a writer and the next 30 trying to avoid being famous. I walk down the street or go to a football game and people shout, 'Hey Andy'. I hate that.

I've learned that no matter how serious your life requires you to be, everyone needs a friend to act goofy with.

Before a kid learns how to use a computer that can solve mathematical problems, he or she should know how to do arithmetic without a computer.

I've learned... That life is tough, but I'm tougher.

Creativity is a by-product of hard work. If I never have another really new idea, it won't matter.

I've learned... That to ignore the facts does not change the facts.

Walking is good for the soul.