The art of doing mathematics consists in finding that special case which contains all the germs of generality.

生命周期假说认为，个人会在一生中规划其消费和储蓄行为。

我活得越久就越发现我从不出错，而我谦卑地花费精力验证自己想法的所有痛苦只是浪费时间。

释义：天知道，神知道，我知道，你知道。怎么能说没人知道呢？

失败并不可怕，可怕的是不敢尝试。

There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.

蓝海战略的重点是通过为买家和公司创造价值的飞跃，使竞争变得无关紧要。