There is no one right way to live.

If we continue...to consume the world until there's no more to consume, then there's going to come a day, sure as hell, when our children or their children or their children's children are going to look back on us - on you and me - and say to themselves, "My God, what kind of monsters were these people?"

You never actually know how you're going to handle a problem until you actually have it.

When you send off a short story, it sits on the editor's desk in the same pile with stories by the most famous and honored names in present-day writing-and it's not going to be accepted unless it's as good as theirs. (And it'll probably have to be better.)

[A]ny species that exempts itself from the rules of competition ends up destroying the community in order to support its own expansion.

No one species shall make the life of the world its own.' … That's one expression of the law. Here's another: 'The world was not made for any one species.

Pity is always twinged with disgust.