The killer looked up as the bullet hit him. He looked as if he were puzzled by some strange occurence, being too freshly dead to be aware of it.

Nothing could go wrong because nothing had...I meant "nothing would." No - Then I quit trying to phrase it, realizing that if time travel ever became widespread, English grammar was going to have to add a whole new set of tenses to describe reflexive situations - conjugations that would make the French literary tenses and the Latin historical tenses look simple.

A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present, and on a thorough understanding of the nature and significance of the scientific method.

The worst that can possibly have happened to him is death and that we are all in for---if not this morning, then in days, or weeks, or years at most.

The commonest weakness of our race is our ability to rationalize our most selfish purposes.

The average bloke . . . hates and fears all freedom, not only for others but for himself, and stamps it out wherever possible.

Cats have no sense of humor, they have terribly inflated egos, and they are very touchy.