Theorems are not discovered by accident.
定理不是偶然发现的。
For me they normally happen, these career crises, often, actually, on a Sunday evening, just as the sun is starting to set, and the gap between my hopes for myself and the reality of my life starts to diverge so painfully that I normally end up weeping into a pillow.
我们不追随潮流,我们只做对我们来说感觉对的事情。
I don't let the world change my smile.