光的理论实际上是物理学两大理论的交汇点，即粒子理论和波动理论。

我相信图像传达复杂情感的力量。

Institutions matter more than we sometimes acknowledge.

The most important skill for a computer scientist is problem solving. The ability to formulate problems, think creatively about solutions, and express a solution clearly and accurately.

过早优化是万恶之源。