领导力就是今天做出艰难的决定，这些决定将定义明天的遗产。

Effective diplomatic strategies are built on the foundation of trust, cooperation, and common interests.

当你有话要说时，沉默就是谎言。

当下总是在变，但过去是固定的。

在数学中，提出问题的艺术必须比解决问题更有价值。

If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.

风俗的专制无处不是人类进步的阻碍。