The highest and most beautiful things in life are not to be heard about, nor read about, nor seen but, if one will, are to be lived.

过去是一个外国；他们在那里做不同的事情。

保持谦逊，保持渴望，永远不断学习。

我认为抽象可以是具象的一种形式。

The tragedy of great power politics is that it leads to conflict and war.

预测未来的最好方法就是创造未来。