The problem of modern society is it turns the whole world into a school. Everybody's wearing jeans, everybody's the same. And yet, they're not. So there's a spirit of equality combined with deep inequality, which can make for a very stressful situation.

The most important thing in a program is the data structure.

记住，当你需要帮手时，那只手就长在你身上，当你长大后，记得你还有另一只手:一只手是为了帮助自己，另一只手是为了帮助别人。