数学家最好的作品是艺术，一种高度完美的艺术，像想象的最秘密的梦想一样大胆，清晰而透明。
The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.
Our sweetest songs are those that tell of saddest thought.
我认为我们都有一些对失败的恐惧，而这正是驱使我们成功的原因。
核心技术是买不来的，必须靠自己研发。