"If he does cleanse himself of this desire, let him know that he has reached a very high level of achievement;" a person who merits to be clean of money that isn't his, should know that he has merited a high level, why? there are many areas in Judaism..(why specifically here?) so he explains: "for there are many who achieve saintliness in many areas, there are many people who are very meticulous with stringencies and watchfulness, 