释义：在人的一生中，应当做到无愧于古人。即要努力做到像古代的贤人一样，有高尚的品德和行为，不因个人的私欲而做出违背道德和原则的事情。
眼睛会欺骗人，双腿会累死人，但胃却专给人找麻烦！
Every drop of milk tells a story of dedication—from the farmer to the consumer.
Every life leaves behind a trail of evidence; the biographer is the detective who follows it.