The only thing that can stop me is me.
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.
If you meddle in other people's marriages you may lose a friend, but acquire his wife.
好的构图就像好的对话——每个元素都有其位置和目的。
史记