If you can't afford a half hour three or four times a week taking care of the most priceless possession, your body, you've got to be sick. You're stupid.

People thought I was a charlatan and a nut. The doctors were against me -- they said that working out with weights would give people heart attacks and they would lose their sex drive.

I'd rather take a beating sometimes than get in that gym every morning. Anyone who gets up that early and says he likes it is a goddamned liar. The only good thing about it is that when I'm finished, I look at myself in the mirror and say, "Jack, you've done it again!

Physical fitness takes commitment to exercise just as it requires good nutrition. But it doesn't have to be painful. Just the opposite: Vigorous exercise actually is stimulating. It boosts your energy levels, invigorates your mind, and just feels good afterward. The hardest part, of course, is getting started.

The most important person on this earth is you. What are you doing to help the most important person in this world: you? To live right, you have to exercise, have goals and challenges.

If you want to change somebody, don't preach to him. Set an example and shut up.

The only way you get that fat off is to eat less and exercise more.