朗兰兹纲领是对数学如何在单一框架内统一的一种愿景。

A non-moral use of a term does not necessarily tell us what the term means.

没有思想的自由，就没有真正的自由。

I write to understand the world, and to understand myself.

It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.