The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

It does not matter how slowly you go as long as you do not stop.

I don’t complain. I keep working hard and try my best in every moment.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

阿富汗是我过去的一部分，是我欢笑与哭泣的土地，但它已不再是家。

所以,国家的钱财不足以来应付饥荒,救济孤儿寡妇,这样,国家就贫困,百姓就难于治理。

爱是变得脆弱。

色彩是我整日的痴迷、快乐和折磨。