Health is the soul that animates all the enjoyments of life, which fade and are tasteless without it.

Let us permit nature to have her way. She understands her business better than we do.

The math is dead simple: it seems that the frequency of planets able to support life is roughly one percent. In other words, a billion or more such worlds exist in our galaxy alone. That's a lot of acreage, and it takes industrial-strength credulity to believe it's all bleakly barren.

If you want to make peace with your enemy, you have to work with your enemy. Then he becomes your partner.

I always bring out the best in men I fight, but Joe Frazier, I'll tell the world right now, brings out the best in me. I'm gonna tell ya, that's one helluva man, and God bless him.