在很小的时候我就知道人们会犯错误，你必须决定他们的错误是否大于你对他们的爱。
The greatest prison people live in is the fear of what other people think.
这是最好的时代，也是最坏的时代；这是智慧的时代，也是愚蠢的时代；这是信仰的时代，也是怀疑的时代；这是光明的季节，也是黑暗的季节；这是希望的春天，也是绝望的冬天；我们什么都有，也什么都没有；我们正走向天堂之路，也正走向地狱之门。
当科学开始研究非物质现象的那一天，它将在十年内取得比过去所有世纪更多的进步。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
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.
The human mind is a serial processor operating on parallel hardware.