Don't discuss what he already understands, but let him learn in silence.Let him do his work.Don't let him only have the name of a craftsman, but let him really work.If I have made my meaning clear by now, you should have seen how I make my pupil unconsciously develop the habit of thinking while exercising and doing manual labor, so as to eliminate the possibility of Judgment of people, and idleness caused by lack of desire.If you don't want him to be idle like a primitive man, let him work like a farmer and think like a philosopher.The most important thing about education is to make the exercise of mind and body adjust each other.