O you who believe! be careful of (your duty to) Allah and be with the true ones. 119 The inhabitants of the city of Medina and the desert Arabs dwelling around it were not supposed to disobey the Messenger of God or to give priority to their own lives above that of the Prophet. For if they had given priority to the life of the Messenger of God, they would not have experienced the hardships of thirst, fatigue, or hunger in their struggle for the cause of God, nor would their travelling have enraged the disbelievers and they would not have received any injury from enemies that God would not record for them as a virtuous deed. God does not ignore the reward of those who do good. 120 Nor do they expend any sum, small or great, nor do they traverse any valley, but it is written to their account, that God may recompense them the best of what they were doing. 121 ۞ It is not for the believers to go forth totally; but why should not a party of every section of them go forth, to become learned in religion, and to warn their people when they return to them, that haply they may beware? 122