一个人不应该发愁没有官位俸禄,而应该发愁没有为官的本领。不应该发愁别人不了解自己,而应追求能够让别人了解自己的才能。
It is the greatest good to the greatest number of people which is the measure of right and wrong.
I don't regret the things I've done, I regret the things I didn't do.