I have yet to see any problem, however complicated, which, when you looked at it in the right way, did not become still more complicated.

Anybody can find infinite Mandelbrot figures in his navel.

We live with our archetypes, but can we live in them?

The single definition of government I've ever seen that makes sense is that it's the organization which claims the right to kill people who won't do what it wants.

A man isn't really alive till he has something bigger than himself and his own little happiness, for which he'd gladly die.

Timidity can be as dangerous as rashness.

A fanatic is a man who, when he's lost sight of his purpose, redoubles his effort.

He had seen too much of the cosmos to have any great faith in man's ability to understand it.

If we knew exactly what to expect throughout the Solar System, we would have no reason to explore it.

What five books would I like to be remembered for? Well... Tau Zero, I like that one especially. It was somewhat of a tour de force, and I think it got across what I was trying for.

There are some ideas so stupid that only intellectuals can believe in them, particularly left-wing intellectuals.

Butterflies, butterfliesThey were meant to flyYou and i, you and iWe were colours in the sky

And now it goes as it goes and where it ends is Fate. And neither by singeing flesh nor tipping cups of wine nor shedding burning tears can you enchant away the rigid Fury.

No man can be a good teacher unless he has feelings of warm affection toward his pupils and a genuine desire to impart to them what he believes to be of value.

If I had to choose, I would rather have birds than airplanes.

To combat the depression by a forced credit expansion is to attempt to cure the evil by the very means which brought it about.

For starters, Portland isn't a great city to live in if you're a young, African American male with a lot of money.

I'm a walker. I enjoy walking, which I think psychologically expresses my feelings of wanting liberation without exerting myself too much.

You don't do art for any other reason than to help your soul grow.

We are not obligated to share.