Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

可持续性不是一种趋势；而是我们对地球和未来农民的责任。

The universe is a place that is far more wonderful than we can possibly imagine.

The simplest gesture can contain the most complex meaning.

The more we learn, the more we realize how little we know.

想知道能否信任一个人，最好的方式就是去信任他。