林肯的政敌批评林肯有“两面三刀”时的幽默回应。因为就政治人物而言，林肯的长相极不讨喜，像个野猴

朗兰兹纲领是对数学如何被视为一个单一、连贯整体的愿景。

I think it's very important to have a feedback loop， where you're constantly thinking about what you've done and how you could be doing it better.I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

最好的想法来自不同学科的交汇处。