Guns Are The Crutches Of The Impotent.

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]

Any Smoothly Functioning Technology Will Have The Appearance Of Magic.

The Object Of Teaching A Child Is To Enable The Child To Get Along Without The Teacher. We Need To Educate Our Children For Their Future, Not Our Past.

The Moment When One First Meets A Great Work Of Art Has An Impact That Can Never Again Be Recaptured.

The Entire Sweep Of Human History From The Dark Ages Into The Unknown Future Was Considerably Less Important At The Moment Than The Question Of A Certain Girl And Her Feelings Toward Him.