历史不是发生过的事,历史只是历史学家告诉我们的故事。
"History is not what happened. History is just what historians tell us."
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.
即使在面临最严峻的挑战时,质量也绝不能妥协。