What do you want to say to your former class teacher?

Primary school head teacher: Mr. Shi, in fact, there are problems with your teaching methods and the way you manage students. Otherwise, I won't be admitted to the university because I didn't learn well in primary school, didn't get into a good middle school and didn't get into a good high school, so I won't leave my biggest regret so far. [Never experienced college life] Middle school head teacher: Miss Wang, you should know that there are no students who can't teach well in the world. Only impatient teachers, since they choose to be teachers, should know how to be responsible. Although I am not good at learning, I am neither stupid nor stupid, otherwise I wouldn't be like this. You should be proud! But I won't thank your head teacher in secondary school: Mr. Zhang, you are the kindest and best teacher I have ever seen. So far, I haven't met a woman who is more capable and smarter than you. That's why I love you. I hope to have the opportunity to take care of you. Thank you for your teaching. I should have known you earlier.