衡量农民成功的真正标准不仅仅是每英亩的产量，还有为子孙后代留下的遗产。

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

The struggle itself towards the heights is enough to fill a man's heart. One must imagine Sisyphus happy.

To me, happiness is about three things: someone to love, something to do, and something to look forward to.

数学是上帝用来书写宇宙的语言。