As well might it be urged that the wild & uncultivated tree, hitherto yielding sour & bitter fruit only, can never be made to yield better: yet we know that the grafting art implants a new tree on the savage stock, producing what is most estimable both in kind & degree.
This analogy implies that the new positive habits that education imparts on students are additive rather than transformative. Is this interpretation intentional? Is there validity in saying that man/students nature cannot be changed, and new habits are new rather than changing previously held ones.