The beauty of mathematics lies in its ability to describe the world in a language that is universal.

跨越万里山川，拨开云雾前进；经历百次寒暑，踏着霜雨前行。

The people are the roots of the revolution. Without the people, the revolution cannot succeed.

创新不是要成为第一个，而是要成为最好的。

如果你尊重纸的特性并相应设计，纸也可以是永久的。