Yes, exercise is the catalyst. That's what makes everything happen: your digestion, your elimination, your sex life, your skin, hair, everything about you depends on circulation. And how do you increase circulation?

People will set a New Year's resolution: "I'm gonna get in shape this year." But they don't set a parameter for how they're gonna measure it. Or if they do measure it, they wait until the first day of the next year. You'd never run a business that way. Document your progress.

The only way you can hurt your body is if you don't use it

Never, ever get satisfied; keep the carrot in front of the horse.

So many older people, they just sit around all day long and they don't get any exercise. Their muscles atrophy, and they lose their strength, their energy and vitality by inactivity.

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!

You've got to work at living-99 and 9/10 of Americans work at dying!