世界上充满了显而易见的事情，却没人注意到。
The world is full of obvious things which nobody by any chance ever observes.
There is no despair so absolute as that which comes with the first moments of our first great sorrow, when we have not yet known what it is to have suffered and be healed, to have despaired and have recovered.
People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed; never throw out anyone.
做数学就是参与发现与猜想、直觉与灵感的过程。
我不需要理由去对自己的选择有信心。
我不认为自己是超级明星，我认为自己是一名网球运动员。
过去是一个外国；他们在那里做事的方式不同。