There is no more thankless task than to teach someone who does not want to learn. Learning has to start from a desire, motivated in turn by the awareness of a need. Otherwise, the teacher and the student are frustrated. All teaching should be seen as an act of generosity and, consequently, as a stimulus to gratitude. Then we would have a teacher satisfied with the work and a student aware of the importance of education. In the future, the student could find in the teaching itself the repayment of the debt he had incurred, or, in other words, teach to express gratitude. On this cycle all true education depends, and from it we note that education is fundamentally a moral problem.