It is not like doing good, being humble before God or purity of intention, which are counted as various grades of the faith. Piety, on the other hand, is a comprehensive virtue that runs through all the ranks of the true faith.
Kwa kuwa na matakwa, uwezo wa kufahamu na uwezo wa kuchagua vitu ambavyo vinavyompa sifa ya ubinadamu na ndio chanzo cha majukumu na wajibu alionao, binadamu anatambua wazi kabisa kwamba kuna mambo ambayo yanauwezo wa kufanyika pasipo ridhaa ya mwanadamu huyo na mambo hayo yanachukua sehemu kubwa sana ya maisha ya mwanadamu.