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

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.

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

We will certainly see teachers, journalists, artists and poets in space. Whatever it takes to the be the best is what it will take to get you into space.

Without God all things are permitted.

The first law of ecology is that everything is related to everything else.

The best historian is he who combines knowledge of the evidence with the largest intellect, the warmest human sympathy and the highest imaginative powers.

Rhyme is cool again. It's because of hip-hop. Bless you, hip-hop.

I love playing around with vintage fabrics and lace.

I say to you that the price of liberty is and always has been blood, human blood, and if our liberties are lost, we shall never regain them except at the price of blood. They must not be lost.

No matter what you are experiencing in life right now, trust that all is unfolding in your best interests.

I love young men, lots of them, your ancient masculine double standard.

May we be saved from evil thoughts and deed of enemies of world peace who find pleasure in creating havoc and perpetrating all forms of carnage.

Music keeps people sane.