We can't start over and develop a Saturn 5-type vehicle from scratch.

I think humans will reach Mars, and I would like to see it happen in my lifetime.

The biggest benefit of Apollo was the inspiration it gave to a growing generation to get into science and aerospace.

If we can conquer space, we can conquer childhood hunger.

No dream is too high for those with their eyes in the sky!

Exploration is wired into our brains. If we can see the horizon, we want to know what's beyond.

I still say, 'Shoot for the moon; you might get there.'

Knowledge of the past and an optimistic view of the present give you great opportunities.

Many say exploration is part of our destiny, but it's actually our duty to future generations and their quest to ensure the survival of the human species.

Neil Armstrong was the first man to walk on the moon. I am the first man to piss his pants on the moon.

There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.

Better to be safe than to be sorry' is a remark of value only when these are the actual alternatives.

I love life more than I love death.

Latin! The language of God! Or perhaps He speaks Hebrew? I suppose that's more likely and it will make things rather awkward in heaven, won't it? Will we all have to learn Hebrew?

It's easier to scare someone than to persuade him.

Children, like animals use all their senses to discover the world. Then artists come along and discover it the same way...Or now and then we'll hear from an artisit who's never lost it.

Nobody has ever gone broke selling escape to the American public.

The only way to keep a secret in Washington, if you are the one person who knows it, is never to tell another living soul.

I am not a person who I am thinking about what I achieved or what I don't achieve. I am a person who try to enjoy the moment. That's what I do.

Praying solves the problems of prayer.

Man should not consider his material possession his own, but as common to all, so as to share them without hesitation when others are in need.