The rules of friendship are tacit, unconscious; they are not rational. In business, though, you have to think rationally.

Some people believe that the nuclear bomb should be awarded the Nobel Peace Prize, since it scared the major powers away from war by equating it with doomsday.

Most wars are not fought over shortages of resources such as food and water, but rather over conquest, revenge, and ideology.

Look at almost any passage, and you'll find that a paragraph has five or six metaphors in it. It's not that the speaker is trying to be poetic, it's just that that's the way language works.

My politics were pretty anarchistic until 1969 when the Montreal police went on strike. Within hours, mayhem and rioting broke out and the Mounties had to be called in to restore order. It instilled in me that one's convictions can be subjected to empirical test.

The problem with the emotions is not that they are untamed forces or vestiges of our animal past; it is that they were designed to propagate copies of the genes that built them rather than to promote happiness, wisdom, or moral values.

Statisticians tell us that people underestimate the sheer number of coincidences that are bound to happen in a world governed by chance.