I believe that every human has a finite number of heartbeats. I don't intend to waste any of mine running around doing exercises.

Research is creating new knowledge.

Good luck, Mr. Gorsky!

Mystery creates wonder and wonder is the basis of man's desire to understand.

This is one small step for a man, one giant leap for mankind.

It's a great thing for a man to walk on the moon. But it's a greater thing for God to walk on the earth.

Well, I think we tried very hard not to be overconfident, because when you get overconfident, that's when something snaps up and bites you.

Geologists have a saying - rocks remember.

Shoot for the stars but if you happen to miss shoot for the moon instead.

You've got to expect things are going to go wrong. And we always need to prepare ourselves for handling the unexpected.

Ever since I was a little boy, I dreamed I would do something important in aviation.

I cannot say whether things will get better if we change

My whole life is about winning. I don't lose often. I almost never lose.

That's what every uncomfortable feeling is for-that's what pain is for, what money is for, what everything in the world is for: your self-realization.

Being among my people is a delight. We Jews live among ourselves. I love it.

What we are finding out now is that there are not only limits to growth but also to technology and that we cannot allow technology to go on without public consent.

Always be yourself. There's only one you. You should embrace anything that you don't like about yourself because that's individual and that's you.

We tend to lack humility toward love, to patronize it rather than bow before it, to put mundane considerations before the emotional need to hold someone in our arms.

I think I loved you more that summer than I ever loved anyone.

You can't be truly rude until you understand good manners.

We're all born pessimists. It takes effort to be optimistic.