不期望完全效法古代，不墨守一成不变的旧规，研究当代的实际情况，从而采取相应的措施。

The best management is a true science, resting upon clearly defined laws, rules, and principles.

To die is nothing, but to live defeated and without glory is to die every day.

你越深入数学，就越意识到还有多少未知。

思考就是雕塑。