There is an old song which asserts 'the best things in life are free.' Not true! Utterly false! This was the tragic fallacy which brought on the decadence and collapse of the democracies of the twentieth century; those noble experiments failed because the people had been led to believe that they could simply vote for whatever they wanted...and get it without toil, without sweat, without tears. Nothing of value is free. Even the breath of life is purchased at birth only through gasping effort and pain.

The more you love, the more you can love--and the more intensely you love. Nor is there any limit on how many you can love. If a person had time enough, he could love all of that majority who are decent and just.

Anyone can see a forest fire. Skill lies in sniffing the first smoke.

Never worry about theory as long as the machinery does what it's supposed to do.

Why don't they make more science fiction movies? The answer to any question starting, Why don't they- is almost always, Money.

Some logics get nervous breakdowns. Overloaded phone system behaves like frightened child. Mike did not have upsets, acquired sense of humor instead. Low one. If he were a man, you wouldn't dare stoop over. His idea of thigh-slapper would be to dump you out of bed — or put itch powder in pressure suit.

Spacemen - men who work in space, pilots and jetmen and astrogators and such - are men who like a few million miles of elbow room.