自由不是恩赐,而是必须争取的权利。
Freedom is not a gift, but a right that must be fought for.
In mathematics, the art of proposing a question must be held of higher value than solving it.
国际货币体系就像一种语言;如果每个人都使用同一种语言,沟通就会容易得多。
The greatest gift you can give someone is your time.