You Don't Have To Be Able To

Intelligence Is A Valuable Thing, But It Is Not Usually The Key To Survival. Sheer Fecundity ... Usually Counts. The Intelligent Gorilla Doesn't Do As Well As The Less Intelligent But More-fecund Rat, Which Doesn't Do As Well As The Still-less-intelligent But Still-more-fecund Cockroach, Which Doesn't Do As Well As The Minimally-intelligent But Maximally-fecund Bacterium.

Humanity Is Cutting Down Its Forests, Apparently Oblivious To The Fact That We May Not Be Able To Live Without Them.

Unfortunately, In Many Cases, People Who Write Science Fiction Violate The Laws Of Nature, Not Because They Want To Make A Point, But Because They Don't Know What The Laws Of Nature Are.

Jokes Of The Proper Kind, Properly Told, Can Do More To Enlighten Questions Of Politics, Philosophy, And Literature Than Any Number Of Dull Arguments.

Thinking Is The Activity I Love Best, And Writing To Me Is Simply Thinking Through My Fingers. I Can Write Up To 18 Hours A Day. Typing 90 Words A Minute, I've Done Better Than 50 Pages A Day. Nothing Interferes With My Concentration. You Could Put An Orgy In My Office And I Wouldn't Look Up-well, Maybe Once.