What did Allah's Apostle (saw) say when he appointed `Ali (peace be upon him) as his deputy (in Medina)?
 Narrated Sa`d:                     Allah's Apostle set out for Tabuk. appointing `Ali as his deputy (in Medina). `Ali said, "Do you want to leave me with the children and women?" The Prophet said, "Will you not be pleased that you will be to me like Aaron to Moses? But there will be no prophet after me."