There Is A Special Sadness In Achievement,

... Chemistry Is A Trade For People Without Enough Imagination To Be Physicists.

Every Revolutionary Idea Seems To Evoke Three Stages Of Reaction. They May Be Summed Up By The Phrases: 1- It's Completely Impossible. 2- It's Possible, But It's Not Worth Doing. 3- I Said It Was A Good Idea All Along.

Some Things Have Eternal Value, And Compassion Is One Of Them. I Hope We Never Lose That. Compassion For Humans As Well As Animals.

No Utopia Can Ever Give Satisfaction To Everyone, All The Time. As Their Material Conditions Improve, Men Raise Their Sights And Become Discontented With Power And Possessions That Once Would Have Seemed Beyond Their Wildest Dreams. And Even When The External World Has Granted All It Can, There Still Remain The Searchings Of The Mind And The Longings Of The Heart.

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.