There is no such thing as good enough. You, your team, and your equipment must be the best. That is how you will win victories.

Failure is not an option!

Failiure is not an option.

To recognize that the greatest error is not to have tried and failed, but that in trying, we did not give it our best effort

We've never lost an American in space, we're sure as hell not gonna lose one on my watch! Failure is not an option.

I don't care what anything was designed to do, I care about what it can do.

You can not operate in this room unless you believe that you are Superman, and whatever happens, you're capable of solving the problem.

There is no achievement without risk.

I think everyone, once in his life, should be given a ticker-tape parade.

Spaceflight will never tolerate carelessness, incapacity, and neglect.

When you're good at something, you'll tell everyone. When you're great at something, they'll tell you.

I made the decision fifteen years ago that you were my life. My everything. You were with me in my dreams my dark lover my friend and confidant.

My two most unproductive days of the week have always been yesterday and tomorrow. Keeping that in mind, I try to focus majority of my attention on today.

Songs. Books. Poetry. Paintings. These things reveal truth. I believe lies and truth are tangled together.

I am a Communist, certainly, but that doesn't mean I have to make films about the wheat harvest.

I gave my hero a talent I'd love to have. Who wouldn't want to fly?

Friendship requires a leap, not of faith but of regard.

Live long enough and all weaknesses will be illuminated, but again perhaps that is not all bad for cannot they then begin to become strengths?

It's not so hard to be married, I've done it three or four times.