New Ideas Pass Through Three Periods: 1)

Please Help Keep The World Clean: Others May Wish To Use It. Logic Is A Systematic Method Of Coming To The Wrong Conclusion With Confidence. The Only Place Success Comes Before Work Is A Dictionary Politicians Should Read Science Fiction, Not Westerns And Detective Stories.

The Dinosaurs Disappeared Because They Could Not Adapt To Their Changing Environment. We Shall Disappear If We Cannot Adapt To An Environment That Now Contains Spaceships, Computers - And Thermonuclear Weapons.

I'm Sure We Would Not Have Had Men On The Moon If It Had Not Been For Wells And Verne And The People Who Write About This And Made People Think About It. I'm Rather Proud Of The Fact That I Know Several Astronauts Who Became Astronauts Through Reading My Books.

One Orbit, With A Radius Of 42,000 Kilometers, Has A Period Of Exactly 24 Hours. A Body In Such An Orbit, If Its Plane Coincided With That Of The Earth's Equator, Would Revolve With The Earth And Would Thus Be Stationary Above The Same Spot On The Planet. It Would Remain Fixed In The Sky Of A Whole Hemisphere ... [to] Provide Coverage To Half The Globe, And For A World Service Three Would Be Required, Though More Could Be Readily Utilized. (1945) [predidicting Geosynchronous Communication Satellites]

Science Demands Patience.