These may be superficial words which I stole from a game or manga.
It's something said under pretense.
It may be no more then comfort.
I might just be cheating.
"Sensei, even if you fail, experience will still pile up."
I do not think it is wrong to just pay lip service.
"Assuming the teacher does not repeat the same mistakes, the students of the teacher will be brought up magnificently and find happiness like me."
"...."