Hast thou not Turned thy vision to the Chiefs of the Children of Israel after (the time of) Moses? they said to a prophet (That was) among them: "Appoint for us a king, that we May fight in the cause of Allah." He said: "Is it not possible, if ye were commanded to fight, that that ye will not fight?" They said: "How could we refuse to fight in the cause of Allah, seeing that we were turned out of our homes and our families?" but when they were commanded to fight, they turned back, except a small band among them. But Allah Has full knowledge of those who do wrong.