There Is A Real Danger

Now, Radical Forward Thinking Is Offering Hope For The Future: Replacement Body Parts To Order. A Team Of Scientists In California Believe That If You Can Design Them On A Computer, You Should Be Able To Print Them Out.

There Is No Prescribed Route To Follow To Arrive At A New Idea. You Have To Make The Intuitive Leap. But The Difference Is That Once You've Made The Intuitive Leap You Have To Justify It By Filling In The Intermediate Steps. N My Case, It Often Happens That I Have An Idea, But Then I Try To Fill In The Intermediate Steps And Find That They Don't Work, So I Have To Give It Up.

If There Really Is A Complete Unified Theory That Governs Everything, It Presumably Also Determines Your Actions. But It Does So In A Way That Is Impossible To Calculate For An Organism That Is As Complicated As A Human Being. The Reason We Say That Humans Have Free Will Is Because We Can't Predict What They Will Do.

Any Physical Theory Is Always Provisional, In The Sense That It Is Only A Hypothesis: You Can Never Prove It. No Matter How Many Times The Results Of Experiments Agree With Some Theory, You Can Never Be Sure That The Next Time The Result Will Not Contradict The Theory.

I Think [contacting An Alien Civilization] Would Be A Disaster. The Extraterrestrials Would Probably Be Far In Advance Of Us. The History Of Advanced Races Meeting More Primitive People On This Planet Is Not Very Happy, And They Were The Same Species. I Think We Should Keep Our Heads Low.