The core of social products is to connect people, not simply transmit information.

生活对我们任何人来说都不容易。但那又怎样？我们必须有毅力，最重要的是对自己有信心。

NP中的每个问题都可以归约为可满足性问题，这是计算复杂性理论的基石。

I adore political parties. They are the only place left to us where people don’t talk politics.

We don't just manufacture chemicals; we enable progress.