‘Learning for the sole purpose of leaning’ will create lethargy in individuals and it will badly affect the development dynamism of the society. Hence, any society that aspires to prosper, should nurture the idea of ‘education with a purpose’. Here, the purpose should basically be wellbeing of the individual and there by the society. Such education systems alone can ensure a calm and pleasant life.
Practice it and make it a habit. Then the nature will make it sustainable by triggering necessary genetic engineering!