Another hundred years may pass before we understand the true significance of Apollo. Lunar exploration was not the equivalent of an American pyramid, some idle monument to technology, but more of a Rosetta stone, a key to unlocking dreams as yet undreamed.

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.

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.

OK, let's get this mother out of here.

When you head on out to the Moon, in very short order, and you get a chance to look back at the Earth, that horizon slowly curves around in upon himself, and all of sudden you're looking at something that is very strange, but yet is very, very familiar, because you're beginning to see the Earth evolve.

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