数学中最令人兴奋的时刻是当你发现两个看似不相关的领域有着深刻的联系。
Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.
我们生产的每一块塑料都应该有明确的再利用或回收路径。
Every setback is a setup for a comeback.
I like to think of mathematics as a kind of poetry.