There is another well known explanation for the role of the cedar wood. When a person humbles himself in repentance, it is possible that the process can humiliate him so much that it is harmful. The addition of the cedar in the rite reminds the leper that the purpose of his acquired humility is to make him a mentsch and not a pariah. The earthenware vessel reminds the leper of his humble lowly state. Yet the live waters serve to refresh and revive him, preventing him from becoming despondent.
Living waters symbolize the Torah .
Through Torah and mitzvohs he will regain the stature that he lost. The Chiddushei HaRim adds that this humility should not be false humility. Other times he must show initiative when his advice or assistance are required. May we learn to walk humbly with every part of Creation and before its Creator. Pesach was a time of an incredible Issarusa d'l'ailah , an undeserved outpouring of kindness and beneficence from Hashem .