我不数我的仰卧起坐。只有当它开始疼的时候，我才开始数。

The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.

系统设计的未来在于将形式化方法与传统工程实践相结合。

当一个人做出彻底的蠢事，那通常是出于最高尚的动机。

The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

我不相信退休。我相信只要你有能力，就应该继续工作。

新殖民地的建立者，无论他们最初可能设想出多么乌托邦的人类美德和幸福，都无一例外地在他们最早的实际需求中认识到，必须分配一部分处女地作为墓地，另一部分作为监狱的所在地。

"The only way to have a friend is to be one."