不过是君主不把它［爱人利人］用在政事上，士大夫也不把它付诸行动罢了。 

The best policies are those that last longer than a political term.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

数学家的工作永远不会完成；总有新的问题需要探索，新的谜团需要揭开。

在采矿行业中，可持续性不是一种选择，而是我们未来的必需品。