Innovation is seeing what everybody has seen and thinking what nobody has thought.

The P versus NP problem is one of the most important unsolved problems in computer science.

韩寒评部分国人指责台球冠军丁俊晖的教育方式有问题

To do mathematics is to explore a universe of ideas, where the only limit is your imagination.

出生的那一刻是我们失去最多的时候。

可持续性不再是可选项；它是我们行业生存的必要条件。