"He has succeeded who purifies it" (Qur'an 91:9) and "Just as We have sent among you a messenger from yourselves reciting to you Our verses and purifying you and teaching you the Book and wisdom and teaching you that which you did not know" (Qur'an, 2:151).
2: 151 Njengoba We sa phakathi kwenu Messenger (Prophet Muhammad) kusuka kwenu, ukuze hlabelela kini amavesi yethu futhi ahlanze kuwe, ngubani ukukufundisa Book Nokuhlakanipha, nokufundisa kwakho ukuthi zazo awunawo lwazi .