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It has also been narrated by Sa'd b. Abu Burda through his father through his grandfather that the Prophet of Allah (may peace be upon him) sent him and Mu'adh (on a mission) to the Yemen, and said (by way of advising them): Show leniency (to the people) ; don't be hard upon them; give them glad tidings (of Divine favours in this world and the Hereafter) ; and do not create aversion. Work in collaboration and don't be divided.