41. Since the giving of good advice is a great means of gaining men’s affections, prudence and justice are much needed in every case. These are looked for by most, so that confidence at once is placed in him in whom they exist, because he can give useful and trustworthy advice to whoever wants it. Who will put himself into the hands of a man whom he does not think to be more wise than himself who asks for advice? It is necessary therefore that he of whom advice is asked should be superior to him who asks it. For why should we consult a man when we do not think that he can make anything more plain than we ourselves see it?