过去是一个陌生的国度；那里的人行事不同。

冬天已经到来，春天还会远吗？

To live is the rarest thing in the world. Most people exist, that is all.

Perhaps if we wrote programs from childhood on, as adults we'd be able to read them.

The Langlands program is a vision of the future of mathematics.

创新是开启新机遇的关键。

一切是，同时又不是。