真相很少纯粹，也绝不简单。
The truth is rarely pure and never simple.
The only true wisdom is in knowing you know nothing.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
我不是没素材了，而是没时间了。
We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.
The architecture of the Internet is designed to be open and flexible, allowing for continuous evolution.