And their Prophet said to them, "Surely the sign of his kingship is that the coffer (In earlier Scriptures it is said to be the " Ark", and Serenity is said to be "Shechina") will come up to you; in it (are) a Serenity from your Lord, and a remnant of what the house of Mûsa (Moses) and the house of Harûn (Aaron) left (behind), the Angels carrying it. Surely in that is indeed a sign for you, in case you are believers".