That wealth and greatness are often regarded with the respect and admiration which are due only to wisdom and virtue; and that the contempt, of which vice and folly are the only proper objects, is most often unjustly bestowed upon poverty and weakness, has been the complaint of moralists in all ages.
Greatness of Soul seems therefore to be as it were a crowning ornament of the virtues; it enhances their greatness, and it cannot exist without them. Hence it is hard to be truly great-souled, for greatness of soul is impossible without moral nobility.
But how to explain suffering because of a man? It's not explainable. With that kind of suffering, a person feels as if they're in hell, because there is no nobility, no greatness - only misery.
You are treading the path to your greatness: no one shall follow you here! Your passage has effaced the path behind you, and above that path stands written: Impossibility.