The Only Way To Define

A Single Test Which Proves Some Piece Of Theory Wrong Is More Valuable Than A Hundred Tests Showing That Idea Might Be True.

One Can Imagine A Time When Men Who Still Inhabit Organic Bodies Are Regarded With Pity By Those Who Have Passed On To An Infinitely Richer Mode Of Existence, Capable Of Throwing Their Consciousness Or Sphere Of Attention Instantaneously To Any Point On Land, Sea, Or Sky Where There Is A Suitable Sensing Organ. In Adolescence We Leave Childhood Behind; One Day There May Be A Second And More Portentous Adolescence, When We Bid Farewell To The Flesh.

I Would Defend The Liberty Of Consenting Adult Creationists To Practice Whatever Intellectual Perversions They Like In The Privacy Of Their Own Homes; But It Is Also Necessary To Protect The Young And Innocent.

Attempting To Define Science Fiction Is An Undertaking Almost As Difficult, Though Not So Popular, As Trying To Define Pornography... In Both Pornography And Sf, The Problem Lies In Knowing Exactly Where To Draw The Line.

If There Are Any Gods Whose Chief Concern Is Man, They Can't Be Very Important Gods.