It takes sixty-five thousand errors before you are qualified to make a rocket.

Don't tell me that man doesn't belong out there. Man belongs wherever he wants to go - and he'll do plenty well when he gets there.

I'm convinced that before the year 2000 is over, the first child will have been born on the moon.

Man belongs wherever he wants to go - and he'll do plenty well when he gets there.

There is beauty in space, and it is orderly. There is no weather, and there is regularity. It is predictable. Just look at our little Explorer; you can set your clock by it-literally; it is more accurate than your clock. Everything in space obeys the laws of physics. If you know these laws, and obey them, space will treat you kindly.

It will free man from the remaining chains, the chains of gravity which still tie him to this planet.

The best computer is a man, and it’s the only one that can be mass-produced by unskilled labor.