Somebody would think I was trying to get favored treatment because my ancestors had the name Moon. And that's a joke.

Everyone should take their hats off to Neil Armstrong. He is a humble guy who doesn't wave his own flag.

At the core of the risk-free society is a self-indulgent failure of nerve.

I don't think we're going to build a 50-person spacecraft or a 100-person spacecraft.

It was challenging to understand what was necessary to successfully carry out all the training simulations that we, as crewmen, would experience, and make a very successful use of that training and education.

Six out of seven times we landed successfully [on the Moon]. I wanted to be a part of that and I was a part of that, so my personal feeling is of great gratefulness for having somehow been in a position to have been given the opportunity to be on that first landing. That's a marvelous experience for a little kid that grew up in New Jersey. So I'm very thankful, and I asked the whole world to give thanks once we successfully landed.

The life expectancy of people going to Mars may be decreased by the higher level of radiation that they receive.