These lands are not always calm. We may well have more adventures ahead of us. But we shall meet them with high hearts.

Anybody can find infinite Mandelbrot figures in his navel.

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.

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.

Set aside even one day just for fun, and you will improve the next seven.

We have seen the best minds of our generation destroyed by boredom at poetry readings.

Hold a retrospective approach in your spirit to figure out your loopholes and try to forge out for filling them for a lucrative self growth

There is no more miserable human being than one in whom nothing is habitual but indecision.

I love getting on the subway because you get on the car, and you see the entire human race represented in any given subway car.

Hee that learnes a trade hath a purchase made.

In our dreams we are able to fly . . . and that is a remembering of how we were meant to be.

He also knows the power of word.

Forensics I've always found absolutely fascinating. Anything to do with clues. And checking things out and solving.

You have to be a master to teach.