孔子说：“年轻人值得敬佩，怎知后代不如今人？四五十岁还默默无闻的人，就没什么前程了。”

我们教授一门学科不是为了培养关于该学科的小型活图书馆，而是让学生自己学会数学思考。

In science, the most important discoveries often come from paying attention to the unexpected.

The beauty of mathematics is that it allows us to abstract away from the physical world and focus on the underlying principles.

预测未来的最好方法就是发明它。

The truth is often buried beneath layers of lies.

The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.