And suddenly I knew I was people and could not stop laughing.

Talking with a Martian is like talking with an echo. You don't get argument but you don't get results.

One might define adulthood as the age at which a person learns that he must die ...and accepts his sentence undismayed.

There ought not to be anything in the whole universe that man can't poke his nose into-that's the way we're built and I assume that there's some reason for that.

Of all the strange 'crimes' that human beings have legislated out of nothing, 'blasphemy' is the most amazing -- with 'obscenity' and 'indecent exposure' fighting it out for second and third place.

Women will forgive anything. Otherwise, the race would have died out long ago.

His older self had taught his younger self a language which the older self knew because the younger self, after being taught, grew up to be the older self and was, therefore, capable of teaching.