Happiness is not something ready made. It comes from your own actions.

世界是一面镜子，它反映出我们选择看到的东西。

The most important thing for any leader is to bring clarity to where the world is going.

Cada palabra es un mundo, cada verso un universo.

你不能害怕失败。这是你成功的唯一途径。

Mathematics teaches us to think logically and to approach problems systematically.

Good market design aligns individual incentives with social efficiency.

创新就是率先模仿。