Say: "O men, I am verily the apostle of God to you all. His whose kingdom extends over the heavens and the earth. There is no god but He, the giver of life and death. So believe in God and the messenger, the gentile Prophet, sent by Him, who believes in God and His messages. Obey him; you may haply be guided aright." 158 Yet there is a group among the people of Moses who guide with truth and act justly in accordance with it. 159 And We cut them up into twelve tribes, nations. And We revealed to Moses, when his people asked him for water: 'Strike with thy staff the rock'; and there gushed forth from it twelve fountains all the people knew now their drinking-place. And We outspread the cloud to overshadow them, and We sent down manna and quails upon them: 'Eat of the good things wherewith We have supplied you.' And they worked no wrong upon Us, but themselves they wronged. 160 When they were told, "Settle down in this town, eat as you wish, seek forgiveness and enter the gate prostrating yourselves (in obedience to the Lord) and We will forgive you your sins and increase the reward of the righteous people, 161 But those who were unjust among them changed it for a saying other than that which had been spoken to them; so We sent upon them a pestilence from heaven because they were unjust. 162