Science Demands Patience.

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.

Can The Synthesis Of Man And Machine Ever Be Stable, Or Will The Purely Organic Component Become Such A Hindrance That It Has To Be Discarded?

Two Possibilities Exist: Either We Are Alone In The Universe Or We Are Not. Both Are Equally Terrifying.

Though The Man-apes Often Fought And Wrestled One Another, Their Disputes Very Seldom Resulted In Serious Injuries. Having No Claws Or Fighting Canine Teeth, And Being Well Protected By Hair, They Could Not Inflict Much Harm On One Another. In Any Event, They Had Little Surplus Energy For Such Unproductive Behavior; Snarling And Threatening Was A Much More Efficient Way Of Asserting Their Points Of View.

Those Wanderers Must Have Looked On Earth, Circling Safely In The Narrow Zone Between Fire And Ice, And Must Have Guessed That It Was The Favourite Of The Sun's Children.