In the internet industry, the only constant is change itself.

The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.

土地是我们最伟大的老师，我们必须倾听它并向它学习。

技术要为产品服务。

We are all broken, that's how the light gets in.

The more you do, the more you learn. The more you learn, the more you can do.

There is a history in all men's lives.