一个理论的优雅不仅在于其数学表述，还在于其在一个统一框架下连接不同现象的能力。

Short-term gains should never compromise long-term sustainability.

In every real man a child is hidden that wants to play.

Technology itself has no value, it only has value when applied to real life.

我做事情不是为了钱，而是因为我热爱它们。