Happiness and unhappiness depend upon the opinion we have of things.

人们应该追求他们热爱的事情。这会让他们比任何其他事情都更快乐。

Order and simplification are the first steps toward the mastery of a subject.

赚钱的最好方法是买入一些东西，然后什么都不做。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

The future competition is not about price, but about user experience.

概率是基于部分知识的预期。