数学的美在于它既精确又富有创造性。

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

最好的故事来自内心。

适合从事任何特定行业的人，如果没有与他一起工作或在他之上的人的帮助和指导，就无法理解该行业的科学。

Education is the art of making man ethical.

尽人事，听天命，心态平和最重要。