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。

I didn't know that would happen. But this made me very hungry, literally. I couldn't be lazy.

每一个实验都是向着理解生命复杂机制迈进的一步。

The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.

A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable.

优质工艺和道德生产可以共存；它们并不相互排斥。

The key to sustainable success is balancing profit with purpose.

数学家是能在定理之间找到类比的人；更好的数学家是能在证明之间看到类比的人；而最好的数学家是能注意到理论之间类比的人。