战争的权利源于万国法，而万国法建立在全人类同意的基础上。

Leadership is about making tough decisions and standing by them.

实现明天的唯一限制是我们今天的疑虑。

The key to successful investing is to have a clear understanding of the market, the risks involved, and a disciplined approach.

每个数学问题都有一个解决方案；有时只是需要时间去找到它。