The core of social products is to connect people, not simply transmit information.
社交产品的核心是连接人与人，而不是简单地传递信息。
To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
我不是那种会让对我家人的爱减少的人。
The mind is a complex system that can be analyzed at multiple levels.
One of my most productive days was throwing away 1000 lines of code.
The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.