The purpose of history is to explain the present - to say why the world around us is the way it is. History tells us what is important in our world, and how it came to be. It tells us what is to be ignored, or discarded. That is true power - profound power. The power to define a whole society.

Yes, you have cancer. Yes, your kids are on drugs. Yes, there is an elephant outside your tent. Now the question becomes, What are you going to do about it? Subsequent emotions may not be pleasant, but the hysteria stops. Hysteria accompanies an unwillingness to look at what is really going on; it promotes an unwillingness to look. We feel we are afraid to look, when actually it is not-looking that makes us afraid. The minute we look, we cease being afraid.

The rock, for its part, is not even aware of our existence because we are alive for only a brief instant of its lifespan. To it, we are like flashes in the dark.

Human beings are so destructive. I sometimes think we're a kind of plague, that will scrub the earth clean. We destroy things so well that I sometimes think, maybe that's our function. Maybe every few eons, some animal comes along that kills off the rest of the world, clears the decks, and lets evolution proceed to its next phase.

Although personally, I think cyberspace means the end of our species.

The best doctors found a middle position where they were neither overwhelmed by their feelings nor estranged from them. That was the most difficult position of all, and the precise balance - neither too detached nor too caring - was something few learned.

If you gamble long enough, you'll always lose -- the gambler is always ruined.