Imagination is a form of seeing

A professional writer is someone who writes just as well when they're not inspired as when they are.

For every once upon a time there must be a story to follow, because if a story doesn't, something else will, and it might not be as harmless as a story.

It's only through honesty and courage that science can work at all. The Ptolemaic understanding of the solar system was undermined and corrected by the constant pressure of more and more honest reporting.

If a coin comes down heads, that means that the possibility of its coming down tails has collapsed. Until that moment the two possibilities were equal. But on another world, it does come down tails. And when that happens, the two worlds split apart.

After nourishment, shelter and companionship, stories are the thing we need most in the world.

...because where we are is always the most important place.