At the heart of the Chinese classroom is the teacher’s unshakeable belief that all children are capable of learning anything if that learning is presented in the right way. The idea works on the basis that understanding is the result of high intention, sincere effort and intelligent execution, and that difficulty is pleasurable.

https://www.theguardian.com/teacher-network/2015/oct/01/mastery-differentiation-new-classroom-buzzword?CMP=share_btn_fb