One of the great strengths of the United States is... we have a very large Christian population - we do not consider ourselves a Christian nation or a Jewish nation or a Muslim nation. We consider ourselves a nation of citizens who are bound by ideals and a set of values.

Nothing is definite, nothing is finished, nothing is determined.

Death does not concern us, because as long as we exist, death is not here. And when it does come, we no longer exist.

My philosophy is that if I have any money I invest it in new ventures and not have it sitting around.

Any observations from the Moon or a sense of realising this or that about the greater meaning of things wasn't as influential for me as the experience of coming back and dealing with being a person who's been to the Moon.