Khun you this, I can tell you that it was a very kind man Khun Khun not scolding, said if students are not required to be a teacher in the right frame of mind Khun truly ready to be given the knowledge to all studentsTeaching methods of teachers another way is for the students learn about and try to make the student's own, it is a way to freedom to the students.by the teachers, not to intercept the study of the students.