Training Was One Thing, Reality Another.

Science Fiction Does Not Attempt To Predict. It Extrapolates. It Just Says, "what If?" Not What Will Be? Because You Can Never Predict What Will Happen, Particularly In Politics And Economics. You Can To Some Extent Predict In The Technological Sphere - Flying, Space Travel, But Even There We Missed Badly On Some Things, Like Computers. No One Imagined The Incredible Impact Of Computers, Even Though Robot Brains Of Various Kinds But The Idea That One Day Every House Would Have A Computer In Every Room And That One Day We'd Have Computers Built Into Our Clothing, Nobody Ever Thought Of That.

Any Smoothly Functioning Technology Will Have The Appearance Of Magic.

The Space Elevator Will Be Built About 50 Years After Everyone Stops Laughing.

Sometimes A Decision Has To Be Made By A Single Individual, Who Has The Authority To Enforce It. That's Why You Need A Captain. You Can't Run A Ship By A Committee-at Least Not All The Time.

Even If We Never Reach The Stars By Our Own Efforts, In The Millions Of Years That Lie Ahead It Is Almost Certain That The Stars Will Come To Us. Isolationism Is Neither A Practical Policy On The National Or Cosmic Scale. And When The First Contact With The Outer Universe Is Made, One Would Like To Think That Mankind Played An Active And Not Merely A Passive Role-that We Were The Discoverers, Not The Discovered.