经济学的目标是理解如何以最高效的方式分配稀缺资源。
The only way to do great work is to love what you do.
Happiness is not something ready-made. It comes from your own actions.
I don't want to be remembered, I want to be unforgettable.
变得快乐的技巧几乎完全不同于不悲伤的技巧。