People's shortcomings should be treated with tact; if you expose them crudely, this is attacking weakness with a weakness. When people are stubborn, it requires skill to influence them; if you treat them with anger and spite, this is treating stubbornness with stubbornness.
Zicheng HongWhen the liver is diseased, the eyesight fails; when the kidneys are diseased, the hearing is adversely affected. The disease is not visible, but its effects are. Therefore, enlightened people, wishing to be free from obvious faults, first get rid of hidden faults.
Zicheng HongSoil with a lot of manure in it produces abundant crops; water that is too clear has no fish. Therefore, enlightened people should maintain the capacity to accept impurities and should not be solitary perfectionists.
Zicheng Hong