There's no dilemma. I never said it wasn't possible. I'm saying that it's far more difficult to be disciplined oneself, than it is to learn some tools. Thus, it

There's no dilemma. I never said it wasn't possible. I'm saying that it's far more difficult to be disciplined oneself, than it is to learn some tools. Thus, it's far more interesting for a teacher to try and instill discipline in the students, than to teach the latest set of tools. The former is far more stable and will affect a person's behavior much more deeply, the latter will keep changing and can be added to a skillset within a week by reading some tutorials.