Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

计算机科学中的真正挑战不仅仅是建造更快的计算机，而是开发更聪明的算法。

I'm a survivor. I'm not gonna give up. I'm not gonna stop. I'm gonna work harder.

The art of teaching is not to impart knowledge, but to inspire, awaken, and encourage.

Contentment is natural wealth，luxury is artificial poverty.

机器人技术的进步，是为了让人类生活更美好。