“There is nothing frightening about an eternal dreamless sleep. Surely it is better than eternal torment in Hell and eternal boredom in Heaven.”

“I don't know anything but the simplest rules of English grammar, and I seldom consciously apply them. Nevertheless, I instinctively write correctly and, I like to think, in an interesting fashion. I know when something sounds right and when it doesn't, and I can tell the difference without hesitation, even when writing at breakneck speed. How do I do this? I haven't the faintest idea.”

“Writing, to me, is simply thinking through my fingers.”

“Science fiction writers foresee the inevitable, and although problems and catastrophes may be inevitable, solutions are not.”

“There is nothing so eternally adhesive as the memory of power.”

“The final end of Eternity, and the beginning of Infinity”

“I don't believe in an afterlife, so I don't have to spend my whole life fearing hell, or fearing heaven even more. For whatever the tortures of hell, I think the boredom of heaven would be even worse.”