The most important thing in the Olympic Games is not winning but taking part; the essential thing in life is not conquering but fighting well.
To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
看到神圣之光的最好方法是熄灭你自己的蜡烛。
生活不是关于你不能做什么,而是关于你能做什么。
Markets fail when information is asymmetric or incentives are misaligned.