Every mathematical problem is a window into a deeper understanding of the world.

I don’t sleep, I rest my eyes.

Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.

我们生产的每一盎司金属都承载着我们对环境的承诺。

伟大的公司建立在信任的基础上——对科学的信任、对人的信任以及对使命的信任。