[36] Are there not even to the present day some of those persons who have attained to perfection in philosophy, who say that there is no such thing as wisdom in the world, since there is also no such thing as a wise man? for that from the very beginning of the creation of mankind up to the present moment, there has never been any one who could be considered entirely blameless, for that it is impossible for a man who is bound up in a mortal body to be entirely and altogether happy.