Knowledge can be shared, but wisdom cannot. It must be discovered and lived.

The only thing that’s keeping you from getting what you want is the story you keep telling yourself.

估计问题的性质与检验统计假设的问题不同。

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

在自然状态下，利益是权利的尺度。