that is (III. vii), virtue, in so far as it is referred to man, is a man's nature or essence, in so far as it has the power of effecting what can only be understood by the laws of that nature.
arab.) bertutea, gizakiari dagokion aldetik, gizakiaren esentzia bera edo haren izaera da, haren izaeraren lege soilei esker uler daitezkeen zenbait gauza egiteko ahalmena duen bezainbatean.