I’ve learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

The more we learn about the universe, the more we realize how much we don't know.

孔子说季氏：“他用天子的舞蹈阵容在自己的庭院中舞蹈，这样的事可以容忍，什么事不能容忍？”

古代著书立说的人，都是有所为而发的。