A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.

I'm interested in the in-between, the interrelationship between things.

"The journey of a thousand miles begins with a single step."

The best leaders are those who listen more than they speak.

【释义】法律制度、禁令命令，君王不会废弃，但这些东西并不是实现大治的根本。根本在于匡正人心，使风俗淳厚。