When people are confronted with a problem, they often try to solve it by breaking it down into smaller parts. But sometimes, the solution lies in seeing the problem as a whole.

是大地的泪点，使她的微笑保持着青春不谢。

不要烦恼啊不要烦恼，连明月的圆缺都难以长久保持。

数学的本质不仅在于解决问题，还在于提出正确的问题。

Human kind cannot bear very much reality.

除非你先成为读者，否则你无法成为作家。