Animals can be driven crazy by placing too many in too small a pen. Homo sapiens is the only animal that voluntarily does this to himself.

When the need arises - and it does - you must be able to shoot your own dog. Don't farm it out — that doesn't make it nicer, it makes it worse.

Aside from a cold appreciation of my own genius I felt that I was a modest man.

What are the facts? Again and again and again – what are the facts? Shun wishful thinking, ignore divine revelation, forget what “the stars foretell,” avoid opinion, care not what the neighbors think, never mind the unguessable “verdict of history” – what are the facts, and to how many decimal places? You pilot always into an unknown future; facts are your single clue. Get the facts!

I don't see why human people make such a heavy trip out of sex. It isn't anything complex, it is simply the best thing in life, even better than food.

There will always be survivors.

Stupidity cannot be cured with money, or through education, or by legislation.