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

Anybody can find infinite Mandelbrot figures in his navel.

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.

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

The fish that first ventured ashore had considerable practical problems.

At each stage...entirely new laws, concepts and generalizations are necessary, requiring inspiration and creativity to just as great a degree as in the previous one.

Better a life like a falling star, brief bright across the dark, than the long, long waiting of the immortals, loveless and cheerlessly wise.