The only thing we have to fear is fear itself.

The Langlands program is a vision of how mathematics could be seen as a single, coherent whole.

乳制品行业必须在环境管理方面发挥领导作用。

We must build a world in which there shall be no economic domination, no exploitation, no unemployment, and no war.

世界是一个充满阴影的地方，而我们则是穿行其中的幽灵。