Expertise in one field does not carry over into other fields. But experts often think so. The narrower their field of knowledge the more likely they are to think so.

Humans hardly ever learn from the experience of others. They learn - when they do, which isn't often - on their own, the hard way.

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

The best things in history are accomplished by people who get tired of being shoved around.

A woman is not property, and husbands who think otherwise are living in a dreamworld.

Ayn Rand is a bloody socialist compared to me.

Since survival is the sine qua non, I now define the "moral behavior" as "behavior that tends toward survival".