Eat right and you can’t go wrong.

You put junk in, junk comes out. You put good in, good comes out.

Ask the guys who are doing serious triathlons if there are any limits to what can be done. The limit is right here. You've got to get physically fit between the ears. Muscles don't know anything. They have to be taught.

You need to make good health a hobby.

The brain's preferred source of fuel is glucose/carbohydrates. And when you go on a low-carb/high-protein diet, your brain is using low-octane fuel. You'll be a little groggy, a little grumpy.

I never think of my age, never. I could be 20 or 100. I never think about it, I'm just me.

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.