Much Blood Has Also Been Spilled On

When Beauty Is Universal, It Loses Its Power To Move The Heart, And Only Its Absence Can Produce Any Emotional Effect.

I Don't Believe In Astrology; I'm A Sagittarius And We're Skeptical.

The Crossing Of Space ... May Do Much To Turn Men's Minds Outwards And Away From Their Present Tribal Squabbles. In This Sense, The Rocket, Far From Being One Of The Destroyers Of Civilisation, May Provide The Safety-value That Is Needed To Preserve It.

A Precondition For Being A Science Fiction Writer Other Than An Interest In The Future Is That, An Interest - At Least An Understanding Of Science, Not Necessarily A Science Degree But You Must Have A Feeling For The Science And Its Possibilities And Its Impossibilities, Otherwise You're Writing Fantasy. Now, Fantasy Is Also Fine, But There Is A Distinction, Although No One's Ever Been Able To Say Just Where The Dividing Lines Come.

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]