What I used to say to people, when I was much more engagé myself, is that you can't be apolitical. It will come and get you. It's not that you shouldn't be neutral. It's that you won't be able to stay neutral.

With modern American dentistry it is simply amazing to see what transformation can be wrought in a single day.

I have quite a decent constitution in spite of all my abuse of it and my advanced years. I'm still quite robust.

Ruthless and arrogant though power can appear, it is only ever held by mere mammals who excrete and yearn, and who suffer from insomnia and insecurity. These mammals are also necessarily vain in the ­extreme, and often wish to be liked almost as much as they desire to be feared.

An individual deficient in the sense of humor represents more of a challenge to our idea of the human than a person of subnormal intelligence

One of the great questions of philosophy is, do we innately have morality, or do we get it from celestial dictation? A study of the Ten Commandments is a very good way of getting into and resolving that issue.

Those of us who write and study history are accustomed to its approximations and ambiguities. This is why we do not take literally the tenth-hand reports of frightened and illiterate peasants who claim to have seen miracles or to have had encounters with messiahs and prophets and redeemers who were, like them, mere humans. And this is also why we will never submit to dictation from those who display a fanatical belief in certainty and revelation.