The proper study of psychology is not what the mind is, but what the mind does.

The customer's voice is the most important sound in any business.

一个好的抽象是强调本质而抑制无关紧要的。

You don't become a star by being normal.

It’s not about being able to do something, it’s about being able to do it well.

痛苦是暂时的，但荣耀是永恒的。