Focus on progress, not perfection.

We are all part of an unbroken chain of life.

数学中真正的挑战不是解决问题，而是提出正确的问题。

What we have to do is find a way to celebrate our diversity and debate our differences without fracturing our communities.

最深刻的定理往往有最简单的证明 - 如果你从正确的角度看它们的话。

预测未来的最好方法就是创造未来。