The Internet is not just a technology, it's a social phenomenon.
互联网不仅仅是一种技术，它是一种社会现象。
I'm not perfect but I'm always me.
The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.
The greatest discoveries in mathematics are those that unify seemingly unrelated ideas.
All men have the stars， but they are not the same things for different people。 For some， who are travelers， the stars are guides。 For others they are no more than little lights in the sky。 For others， who are scholars， they are problems。 For my businessman they were wealth。 But all these stars are silent。 You – you alone – will have the stars as no one else has them.
The world is full of mysteries, and that is its beauty.