First, people should be smart and pay attention to observation. Second, don't be afraid of being tired, dirty and bitter. Third, accept the mistakes that the chef can point out to you. Fourth, there should be no greed or arrogance. I won't teach you this today. Think about teaching another one. When you learn the same thing, you should practice it again and again, instead of thinking that you are already very good and not continuing to practice. There are also some, that is, when learning, when learning to cook, we should use what we know in life flexibly.