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

The view of the moon that we've been having recently is really spectacular. It fills about three-quarters of the hatch window, and of course we can see the entire circumference even though part of it is in complete shadow and part of it is in earthshine. It's a view worth the price of the trip.

Society’s future will depend on a continuous improvement program for the human character. And what will that future bring? I do not know, but it will be exciting.

Houston, that may have seemed like a very long final phase. The autotargeting was taking us right into a ... crater, with a large number of big boulders and rocks ... and it required ... flying manually over the rock field to find a reasonably good area.

Damn I really did it. I blew the first words on the moon, didn't I?

Man must understand his universe in order to understand his destiny.

History will remember the twentieth century for two technological developments: atomic energy and space flight.