Even though sugar was very expensive, people consumed it till their teeth turned black, and if their teeth didn't turn black naturally, they blackened them artificially to show how wealthy and marvelously self-indulgent they were.

... it occurred to me that never again would he be seven years, one month and six days old, so we had better catch these moments while we can.

From an evolutionary point of view, sex is really just a reward mechanism to encourage us to pass on our genetic material.

Physicists are atoms' way of thinking about atoms.

In a funny way, nothing makes you feel more like a native of your own country than to live where nearly everyone is not.

I'm definitely an American, because I grew up here. But I've lived very happily in Britain.

The real problem you get with humour is that you only have so many kinds of jokes within you, and you mine that vein a lot. This isn't just common to me; it's anybody who's funny.