O you who have believed, remember the favor of Allah upon you when armies came to [attack] you and We sent upon them a wind and armies [of angels] you did not see. And ever is Allah , of what you do, Seeing.
And when a faction of them said, "O people of Yathrib, there is no stability for you [here], so return [home]." And a party of them asked permission of the Prophet, saying, "Indeed, our houses are unprotected," while they were not exposed. They did not intend except to flee.