最好的投资是你可以长期持有的投资。

今天很残酷，明天更残酷，后天很美好，但绝对大部分是死在明天晚上，所以每个人不要放弃今天。

你最不满意的客户是你最大的学习来源。

他们做事，上尊敬天，中敬奉鬼神，下关爱百姓。 

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

True happiness comes from inner satisfaction.

我看到一切。这就是我的问题。