Valid Criticism Does You A

In Science It Often Happens That Scientists Say, 'you Know That's A Really Good Argument; My Position Is Mistaken,' And Then They Would Actually Change Their Minds And You Never Hear That Old View From Them Again. They Really Do It. It Doesn't Happen As Often As It Should, Because Scientists Are Human And Change Is Sometimes Painful. But It Happens Every Day. I Cannot Recall The Last Time Something Like That Happened In Politics Or Religion.

Human Beings Grew Up In Forests; We Have A Natural Affinity For Them. How Lovely A Tree Is, Straining Toward The Sky.

The Surface Of The Earth Is The Shore Of The Cosmic Ocean.

A Blade Of Grass Is A Commonplace On Earth; It Would Be A Miracle On Mars. Our Descendants On Mars Will Know The Value Of A Patch Of Green. And If A Blade Of Grass Is Priceless, What Is The Value Of A Human Being?

Science Cuts Two Ways, Of Course; Its Products Can Be Used For Both Good And Evil. But There's No Turning Back From Science. The Early Warnings About Technological Dangers Also Come From Science.