“Space has not changed but technology has, in many cases, improved dramatically.”

If you don’t know who you are, a university is an expensive place to find out.

I guess we all like to be recognized not for one piece of fireworks but for the ledger of our daily work.

Now and then I miss the excitement about being in the cockpit of an airplane and doing new things.

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

Yeah, I wasn’t chosen to be first. I was just chosen to command that flight. Circumstance put me in that particular role. That wasn’t planned by anyone.

It’s a strange, eerie sensation to fly a lunar landing trajectory not difficult, but somewhat complex and unforgiving.

As I stepped on the moon, I looked around, dazed magnificent. The vast, sandy silver surface was almost illusory.

Here men from the planet Earth first set foot upon the Moon. July 1969 AD. We came in peace for all mankind.

I was elated, ecstatic and extremely surprised that we were successful.

It doesn’t sound like there was time for the word on moon.

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

I fully expected that, by the end of the century, we would have achieved substantially more than we actually did.

Opportunities will be available to you that you cannot imagine.

The important achievement of Apollo was demonstrating that humanity is not forever chained to this planet, and our visions go rather further than that, and our opportunities are unlimited.

He did it alone. We had a cast of a million.

No matter when you had been to this spot before, a thousand years ago or a hundred thousand years ago, or if you came back to it a million years from now, you would see some different things each time, but the scene would be generally the same.

The opposite of love is not to hate but to separate. If love and hate have something in common it is because, in both cases, their energy is that of bringing and holding together

We are not sure we are right until we have made the best case possible for those who are wrong.

Young men of this class never do anything for themselves that they can get other people to do for them, and it is the infatuation, the devotion, the superstition of others that keeps them going. These others in ninety-nine cases out of a hundred are women.

We have known an emotion which is in every case the same in kind, if not in degree; an emotion precious and uplifting.

In that case Mr. Barrow, Mr. Gehrig is a very underpaid ballplayer.

It has perhaps always been the case that the waging of peace is the hardest form of leadership of all.

Think of how many are arrested for selling fake stock, for seducing 14-year-old girls in orphanages under their care, for arson, for murder.

I pray before I go into the operating room for every case, and I ask him to give me wisdom, to help me to know what to do – and not only for operating, but for everything.