To act agreeably to our nature is virtue.

In the realm of computational complexity, every problem is a universe waiting to be explored.

To die for one's country is such a worthy fate that all compete for so beautiful a death.

The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.

内心守静而不生差错，不让外物扰乱五官，不让五官扰乱内心，这就叫做心中有所得。

我们要做的是让技术服务于人，而不是人服务于技术。