And some of them advised people of the city Yathrib to defect. They said to them: "O you people of Yathrib this is not the place for you, you just go back to your homes". Another party asked the Prophet's permission if they could be excused! They said to him: "Our homes are exposed and defenseless when in fact they were not and were guarded by other Muslims but in truth they wanted to fly away and take to their heels"