对智能的研究必须基于对符号系统的研究。

In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.

如果你不冒险，就永远不会知道自己能做什么。

有人问巴菲特预计什么时后要退休，他回答

The greatest predictor of a novel's quality is the novelist's willingness to confront the unlovely truth about himself or herself.

"The great advantage of being a writer is that you can spy on people. You're there, listening to every word, but part of you is observing. Everything is useful to a writer, every scrap, even the longest and most boring of luncheon parties."