One source says that each cause for impurity would be subjected “to questioning concerning the circumstances in which it may be contracted, how and to what extent it may be transmitted to others, the utensils and objects capable and incapable of becoming unclean, and finally, the means and rituals required for purification. ”
لقد كان السؤال الذي طرحه المقاومون على يسوع :‏ « لماذا لا يسلك تلاميذك حسب تقليد الاقدمين ،‏ بل يتناولون طعامهم بأيدٍ دنسة ؟‏ » .‏