——从浙江观潮返上海后题词,1916年9月15日
Truth needs no ornate decoration.
Success is not about how much money you make, it’s about the difference you make in people’s lives.
I don't want to be a martyr, I want to be a survivor.
世界会打击每一个人,但经历过后,许多人会在受伤的地方变得更坚强。
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.