Space is really big-REALLY big.

Being literate as a writer is good craft, is knowing your job, is knowing how to use your tools properly and not to damage the tools as you use them.

The car shot forward straight into the circle of light, and suddenly Arthur had a fairly clear idea of what infinity looked like. It wasn’t infinity in fact. Infinity itself looks flat and uninteresting. Looking up into the night sky is looking into infinity—distance is incomprehensible and therefore meaningless. The chamber into which the aircar emerged was anything but infinite, it was just very very very big, so big that it gave the impression of infinity far better than infinity itself.

Time travel, by its very nature, was invented in all periods of history simultaneously.

Nobody got murdered before lunch. But nobody. People weren't up to it. You needed a good lunch to get both the blood-sugar and blood-lust levels up.

Now the world has gone to bed, Darkness won't engulf my head, I can see by infrared, How I hate the night. Now I lay me down to sleep, Try to count electric sheep, Sweet dream wishes you can keep, How I hate the night. -Marvin

It is difficult to be sat on all day, every day, by some other creature, without forming an opinion on them. On the other hand, it is perfectly possible to sit all day, every day, on top of another creature and not have the slightest thought about them whatsoever.