Psychology must be a science of facts, not theories.

We are not in the coffee business serving people, we are in the people business serving coffee.

Loneliness is the starting point of thought.

自由的代价是永恒的警惕。

世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。

Pressure is a privilege - it means you're in a position to do something great.