You can't separate the mind and body. It's impossible.

Be an example of what you teach. [As a personal trainer], delve into your student's life, know everything about him. Be interested.

You can exercise vigorously and eat junk and get by. But you can't eat perfectly and not exercise. Look at many athletes today; they are human garbage cans. They eat anything, but they exercise so hard they burn it up. But why not exercise and put the right fuel in too?

The essence of decay is 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!

If you've got a big gut and you start doing sit-ups, you are going to get bigger because you build up the muscle. You've got to get rid of that fat! How do you get rid of fat? By changing your diet.

Anything in life is possible, if you make it happen.