Fight then in Allah's way; this is not imposed on you except In relation to yourself, and rouse the believers to ardor maybe Allah will restrain the fighting of those who disbelieve and Allah is strongest in prowess and strongest to give an exemplary punishment.

And whoever shall turn his back to them on that day-- unless he turn aside for the sake of fighting or withdraws to a company-- then he, indeed, becomes deserving of Allah's wrath, and his abode is hell; and an evil destination shall it be.

Say to those of the dwellers of the desert who were left behind: You shall soon be invited (to fight) against a people possessing mighty prowess; you will fight against them until they submit; then if you obey, Allah will grant you a good reward; and if you turn back as you turned back before, He will punish you with a painful punishment.