心理学必须是一门功能的科学，而不仅仅是事实的科学。
热爱阅读就是用无聊的时间换取快乐的时间。
The best way to get a project done faster is to start sooner.
书籍是反映我们欲望的镜子。
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.