生活的目的不是快乐，而是有用、光荣、富有同情心，让你活得有意义、活得好。
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
"The serve is the most important shot in tennis."
我是我故事的作者。我决定情节、人物和结局。
人类活动正在成为一种强大的地质力量。