That's One Of Those Meaningless And Unanswerable

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

Perhaps, As Some Wit Remarked, The Best Proof That There Is Intelligent Life In Outer Space Is The Fact It Hasn't Come Here. Well, It Can't Hide Forever - One Day We Will Overhear It.

I Doubt If There Is A Single Field Of Study So Theoretical, So Remote From What Is Laughingly Called Everyday Life, That It May Not One Day Produce Something That Will Shake The World.

If An Elderly But Distinguished Scientist Says That Something Is Possible, He Is Almost Certainly Right; But If He Says That It Is Impossible, He Is Very Probably Wrong.

I Think In The Long Run The Money That S Been Put Into The Space Program Is One Of The Best Investments This Country Has Ever Made . . .this Is A Downpayment On The Future Of Mankind. It's As Simple As That.