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.

解析：好善恶恶是人之本能。

The theatre is the place where one goes to hear the truth spoken out loud.

我回首前尘往事，犯下重罪的小笨蛋，我想跟他沟通让他明白，但我办不到，那个少年早就不见了，只剩下我垂老之躯。