——回答兄长孙眉，1884年

记忆是一种成就，甚至是一种更新。

外交家应该具备灵活性和适应性，以应对快速变化的国际环境。

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

I’m a very positive thinker, and I think that is what helps me the most in difficult moments.

未来属于那些明白以少做多是有同情心、繁荣和持久的人。