I don't think you need to be sad to write a sad song.

"Tennis is a sport where you have to be strong mentally and physically, but the mental part is even more important."

预测未来的最好方法就是创造未来。

To light a candle is to cast a shadow.

朗兰兹纲领是对探索数学未知领域的邀请。

Collaboration is key to tackling the world's energy challenges.

The challenge is not just to make computers faster, but to make them smarter.