Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

创新区分了领导者和追随者。

Fear of imprisonment soul, hope you free.

写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

I like to be a free spirit. Some don’t like that, but that’s the way I am.