It includes two aspects: on the one hand, it is the spirit of being open-minded and eager to learn; On the other hand, learning from bad people and seeing bad people reflect on themselves is the spirit of self-cultivation. In this way, whoever is good at getting along with others can be a teacher. This spirit and attitude is worth learning. The attitude and spirit of "a threesome, there must be a teacher" and "choose the good and follow it, and change it if it is not good" also reflect the attitude and spirit of getting along with others. Take the shortcomings of others as a warning at any time, and you will naturally see the advantages of others, be kind to others, be lenient with others and be strict with yourself. This is not only the best way to cultivate and improve yourself, but also an important way to promote interpersonal harmony.