There are so many stars in the sky that you can't see the soot on your face. In fact, it is similar to the meaning of "the authorities are fascinated, and the onlookers are clear." Most of us are used to judging other people's affairs from a distance, but forget to know ourselves and ourselves. Many people have no consciousness of introspection. As the saying goes, "He who knows others is wise, and he who knows himself is wise". People who can understand and know others are called wisdom, and those who can recognize themselves are really smart. If each of us can sort out our own life, I think we will all become philosophers of life.