Every mathematical problem has a solution, but not every solution is immediately apparent.
每个数学问题都有解决方案，但并非每个解决方案都显而易见。
The best reactions are those that work the first time and every time.
If you can keep your head when all about you are losing theirs and blaming it on you...
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。