To stay young requires unceasing cultivation of the ability to unlearn old falsehoods.

I am not going to talk about religious beliefs, but about matters so obvious that it has gone out of style to mention them.

Whenever women have insisted on absolute equality with men, they have invariably wound up with the dirty end of the stick. What they are and what they can do makes them superior to men, and their proper tactic is to demand special privileges, all the traffic will bear. They should never settle merely for equality. For women, "equality" is a disaster.

Always listen to experts. They'll tell you what can't be done, and why. Then do it.

Many short-sighted fools think that going to the Moon was just a stunt. But the astronauts knew the meaning of what they were doing, as is shown by Neil Armstrong's first words in stepping down onto the soil of Luna: "One small step for a man, one giant leap for mankind."

He should have known better because, early in his learnings under his brother Mahmoud, he had discovered that long human words (the longer the better) were easy, unmistakable, and rarely changed their meanings, but short words were slippery, unpredictable changing their meanings without any pattern. Or so he seemed to grok. Short human words were never like a short Martian word - such as grok which forever meant exactly the same thing. Short human words were like trying to lift water with a knife. And this had been a very short word.

The best thing about space travel is that it made it possible to go elsewhere.