一个好的经济学家必须既是科学家，又是人文主义者。

In the labyrinth of lies, the truth is the only way out.

The consistency of your endeavors (exercise， companionship， work) is more important than the quantity. Nothing beats small things done every day， which is way more important than what you do occasionally.

快乐不是一件自我存在的东西，它仅是与其他不快乐事情的一个相对比照，这就是快乐的整个情况。