我是世界上最智慧的人,因为我知道一件事,那就是我一无所知。
The more you dwell in the past, the less you prepare for the future.
I always try to be better than I was yesterday.
解释:合理饮食则身体强健,“昌”表示兴盛;断绝饮食则生命消亡,强调了饮食对健康的重要性。
"A novel is a mirror walking along a main road."
If you want to go fast, go alone. If you want to go far, go together.
Custom, then, is the great guide of human life.
哭着送去,哭着回来,回来后要努力于衣食之物的生产,资助祭祀,并用来孝顺双亲。 
【译文】 子夏说:“重贤轻色、尽心孝顺父母、尽力献身国家、交朋友言而有信的人,即使没有高等学历,我也认为他已经受到了良好的教育。”