Sci-fi uses the images that sf - starting with H.G. Wells - made familiar: space travel, aliens, galactic wars and federations, time machines, et cetera, taking them literally, not caring if they are possible or even plausible. It has no interest in or relation to real science or technology. It's fantasy in space suits. Spectacle. Wizards with lasers. Kids with ray guns. I've written both, but I have to say I respect science fiction enough that I wince when people call it sci-fi.

This is. And thou art. There is no safety. There is no end. The word must be heard in silence. There must be darkness to see the stars. The dance is always danced above the hollow place, above the terrible abyss.

The reader can't take much for granted in a fiction where the scenery can eat the characters.

What the brain does by itself is infinitely more fascinating and complex than any response it can make to chemical stimulation.

She'll die.' 'Aye. That's a consequence of being alive.

Freedom is a heavy load, a great and strange burden for the spirit to undertake. It is not easy. It is not a gift given, but a choice made, and the choice may be a hard one. The road goes upward towards the light; but the laden traveler may never reach the end of it.

I think there is no way to write about being alone. To write is to tell something to somebody to communicate to others. . . . Solitude is noncommunication, the absence of others, the presence of a self sufficient to itself.