痕迹往往比原件更有力量。

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.

每一种语言都是一座庙宇，其中供奉着使用它的人的灵魂。