Many, And Some Of The Most Pressing,

At The Present Rate Of Progress, It Is Almost Impossible To Imagine Any Technical Feat That Cannot Be Achieved - If It Can Be Achieved At All - Within The Next Few Hundred Years.

If I Didn't Exist, I Would Have Invented Myself.

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]

It Was A Pity That There Was No Radar To Guide One Across The Trackless Seas Of Life. Every Man Had To Find His Own Way, Steered By Some Secret Compass Of The Soul. And Sometimes, Late Or Early, The Compass Lost Its Power And Spun Aimlessly On Its Bearings. Alan Bishop

Look, Whispered Chuck, And George Lifted His Eyes To Heaven. (there Is Always A Last Time For Everything.) Overhead, Without Any Fuss, The Stars Were Going Out.