走向自由，不管在哪，都没有轻松的道路；多数人在到达渴望的巅峰之前，都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。

The elegance of a mathematical proof is in its simplicity and clarity.

Innovation is not just about new products; it's about rethinking how we create value for our customers.

The only thing we have to fear is fear itself.

工作必须先于回报。