And remember! your Lord caused to be declared (publicly): "If ye are grateful, I will add more (favours) unto you; But if ye show ingratitude, truly My punishment is terrible indeed." 7 And Musa said: if ye disbelive, ye and all those who are on the earth - then verily Allah is Self-Sufficient, Praiseworthy. 8 Has not the news of those before you, the people of Noah and 'Ad and Thamud, and those who came after them, come to you? None knows (about) them except God. Their apostles came to them with clear proofs, but they tried to silence them and said: "We do not believe in what you have been sent with, and we are in doubt of what you call us to, about which we are in disquiet.' 9 ۞ Their Messengers said, 'Is there any doubt regarding God, the Originator of the heavens and the earth, who calls you so that He may forgive you your sins, and defer you to a term stated?' They said, 'You are nothing but mortals, like us; you desire to bar us from that our fathers served; then bring us a manifest authority.' 10 Their messengers replied, "We are indeed mortals like yourselves. But God bestows His grace on such of His servants as He chooses. We cannot give you miracles, except by God's leave. In God let true believers put their trust -- 11 And why should we not put our trust in God, seeing that He has guided us in our ways? We will surely endure patiently, whatever you hurt us; and in God let all put their trust who put their trust.' 12