[112] And very admirable is this fulness and completeness, not of months or years, but of days, so that no day whatever in the life of a virtuous man ever leaves an empty and open door for the entrance of sins, but is filled in all its parts and all its intervals with absolute virtue and excellence. For virtue and goodness are judged of not by quantity but by quality, for which reason I look upon it that even one day spent with perfect correctness is of equal value with the entire good life of a wise man.