Moral autonomy appears when the mind regards as necessary an ideal that is independent of all external pressures.
Jean PiagetChildren have real understanding only of that which they invent themselves, and each time that we try to teach them too quickly, we keep them from reinventing it themselves.
Jean PiagetTrue interest appears when the self identifies itself with ideas or objects, when it finds in them a means of expression and they become a necessary form of fuel for its activity.
Jean Piaget