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.

By exercise. I'll tell you one thing, you don't always have to be on the go. I sit around a lot, I read a lot, and I do watch television. But I also work out for two hours every day of my life, even when I'm on the road.

When I first started out, I was considered a crackpot. The doctors used to say, "Don't go to that Jack LaLanne, you'll get hemorrhoids, you won't get an erection, you women will look like men, you athletes will get muscle-bound -- this is what I had to go through.

It’s not what you do some of the time that counts, it’s what you do all of the time that counts.

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

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.

Have you seen some of the crap they're selling as exercise equipment now? How about that Suzanne Somers? She should have been thrown in jail for selling the piece-of-crap Thigh Master. It just develops a little muscle on the inner thigh. What good is that?