If We Want To Go To Space

The Fundamental Reason Why Carbon Dioxide In The Atmosphere Is Critically Important To Biology Is That There Is So Little Of It. A Field Of Corn Growing In Full Sunlight In The Middle Of The Day Uses Up All The Carbon Dioxide Within A Meter Of The Ground In About Five Minutes. If The Air Were Not Constantly Stirred By Convection Currents And Winds, The Corn Would Stop Growing.

Everything In My Life Was Luck. The Key To Having An Interesting Life Is To Always Say "yes" To Anything Crazy.

The Question That Will Decide Our Destiny Is Not Whether We Shall Expand Into Space. It Is: Shall We Be One Species Or A Million? A Million Species Will Not Exhaust The Ecological Niches That Are Awaiting The Arrival Of Intelligence.

[john Wheeler] Rejuvenated General Relativity; He Made It An Experimental Subject And Took It Away From The Mathematicians

Almost Everything About The Universe Is Astounding.