We say of some things that they can't be forgiven, or that we will never forgive ourselves. But we do—we do it all the time.

真正的护城河是用户对你的依赖。

In mathematics, the journey of discovery is often more rewarding than the destination itself.

在减少排放同时满足全球能源需求方面，技术是我们最大的盟友。

我们都是过去的难民，在现在寻求庇护。