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.

My experiences with science led me to God. They challenge science to prove the existence of God. But must we really light a candle to see the sun?

I have learned to use the word 'impossible' with the greatest caution.

Science does not have a moral dimension. It is like a knife. If you give it to a surgeon or a murderer, each will use it differently.

Basic research is what I am doing when I don't know what I am doing.

It was very successful, but it fell on the wrong planet.

The rocket worked perfectly, except for landing on the wrong planet.

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

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

I believe in an immortal soul. Science has proved that nothing disintegrates into nothingness. Life and soul, therefore, cannot disintegrate into nothingness, and so are immortal.

Conquering the universe one has to solve two problems: gravity and red tape. We could have mastered gravity.

What is life if you don't have a dream to chase?

We lie to God in prayer if we do not rely on him afterwards.

There has never been a protracted war from which a country has benefited.

Curiosity does, no less than devotion, pilgrims make.

I read On the Road in maybe 1959. It changed my life like it changed everyone else's.

It's impossible to get to the end if you quit in the middle.

Just because we cannot see clearly te end of the road, that is no reason for not setting out on the essential journey.

I mean People come up and ask for autographs or say hi but they wont bug you.

I am not a victim. I am an angry survivor.

Creativity doesn't flourish in an atmosphere of despotism, coercion and fear.