As I step off at the surface at Taurus-Littrow, I'd like to dedicate the first step of Apollo 17 to all those who made it possible.

Curiosity is the essence of human existence.

We leave as we came, and, God willing, as we shall return, with peace and hope for all mankind.

I'm quite disappointed that I'm still the last man on the moon.

If you begin to think you're something you're not, you're looking in the wrong mirror.

Prepare for the unknown, unexpected and inconceivable . . . after 50 years of flying I'm still learning every time I fly.

I've been asked about UFOs and I've said publicly I thought they were somebody else, some other civilization.

We went into darkness after being in daylight the whole time on the way to the Moon. And then we went into darkness. And we're in the shadow... of the Moon.

Yes, I am the last man to have walked on the moon, and that's a very dubious and disappointing honor. It's been far too long.

The mass gross absence of sound in space is more than just silence.

Nobody can take those footsteps I made on the surface of the moon away from me.

Your dream is the prayer the Universe makes to you, because in its fulfilment it grows together with you.

There is always a certain peace in being what one is in being that completely.

It is a capital mistake to theorize before you have all the evidence. It biases the judgment.

Today’s decision was a victory for people all across this country whose lives will be more secure.

I appear wild on the outside, but I'm a conservative businessman.

The great spirals, with their enormous radial velocities and insensible proper motions, apparently lie outside our Solar system.

What is so important is that you play for the artist and for the record and for the song ... everything else falls into place ... my solo has to be a complement to the singer and the song.

But to find, all at once, right before your eyes, that the impossible had been mysteriously achieved by man himself: this staggers the mind!

I started modeling at 14. It's simple. You respond to what the photographer wants and wear other people's ideas. I got bored with it, though, so I went to university.

So long as God reveals Himself, or doesn't, He is behaving like God.