The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

没有一些目标和一些努力去实现它们，没有人能够生存。我们所谓的生活是一场旅程，而旅程本身就是家。

所有生而为人者都需要教育，因为他们注定要成为真正的人，而非野兽、愚钝的动物或木头。

量子力学的本质在于它提供了一个数学框架，用于描述原子和亚原子层面上物质的行为。

哲学是一场与语言的咒术对抗的战斗。