If You Do Not Believe That A

Most People Who Sneer At Technology Would Starve To Death If The Engineering Infrastructure Were Removed.

One Could Write A History Of Science In Reverse By Assembling The Solemn Pronouncements Of Highest Authority About What Could Not Be Done And Could Never Happen.

Tilting At Windmills Hurts You More Than The Windmills.

But Space Travel Can't Ease The Pressure On A Planet Grown Too Crowded Not Even With Today's Ships And Probably Not With Any Future Ships-because Stupid People Won't Leave The Slopes Of Their Home Volcano Even When It Starts To Smoke And Rumble. What Space Travel Does Do Is Drain Off The Best Brains: Those Smart Enough To See A Catastrophe Before It Happens, And With The Guts To Pay The Price-abandon Home, Wealth, Friends, Relatives, Everything-and Go. That's A Tiny Fraction Of One Percent. But That's Enough.

Autobiography Is Usually Honest But It Is Never Truthful.