Nor should the Believers all go forth together: if a contingent from every expedition remained behind, they could devote themselves to studies in religion, and admonish the people when they return to them,- that thus they (may learn) to guard themselves (against evil).

Now when they returned to their father, they said: "O our father! No more measure of grain shall we get (unless we take our brother): So send our brother with us, that we may get our measure; and we will indeed take every care of him."

信士们不宜全体出征，他们为何不这样做呢？每族中有一部分人出征，以便留守者专攻教义，而在同族者还乡的时候，加以警告，以便他们警惕。

他们回去见了他们的父亲，说：“我们的父亲啊！人家不准我们再籴粮了，请你派我们的弟弟和我们一同去，我们就能籴粮；我们一定把他保护好。”