You must do the things you think you cannot do.

Innovation is not just about new ideas; it's about executing them effectively.

Climate change is the greatest challenge our industry has ever faced, but also our greatest opportunity.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

The teacher should not teach as if he were pouring knowledge into an empty vessel, but rather as if he were lighting a fire.

记忆是一种成就，甚至是一种更新。