Say, "Who provides [sustenance] for you from heaven and earth? Who is it who controls the ears and the eyes? Who brings forth the living from the dead, and the dead from the living? And who governs all affairs?" They will say, "God". Then say, "Will you not then fear Him? 31 seeing that He is God, your Sustainer, the Ultimate Truth? For, after the truth [has been forsaken,] what is there [left] but error? How, then, can you lose sight of the truth?" 32 This is how the Word of your Lord is proved concerning the sinful, so they will not believe. 33 Say, "Are there of your 'partners' any who begins creation and then repeats it?" Say, "Allah begins creation and then repeats it, so how are you deluded?" 34 Say thou: is there any of your associate-gods who guideth you to the truth! Say thou: Allah guideth unto the truth. Is He, then, who guideth to the truth more worthy to be followed, or one who findeth not the guidance unless he is guided. What aileth ye then? How ill ye judge! 35 For, most of them follow nothing but conjecture: [and,] behold, conjecture can never be a substitute for truth. Verily, God has full knowledge of all that they do. 36 Now this Qur'an could not possibly have been devised by anyone save God: nay indeed, it confirms the truth of whatever there still remains [of earlier revelations] and clearly spells out the revelation [which comes] - let there be no doubt about it - from the Sustainer of all the worlds. 37 Or say they: He hath invented it? Say: Then bring a surah like unto it, and call (for help) on all ye can besides Allah, if ye are truthful. 38 In fact, they deny what is beyond the reach of their knowledge, whose explanation has not reached them yet. So had those who have gone before them denied; but look at the fate of the unjust 39 And of them are some who will believe therein, and of them are some who will not believe therein; and thy Lord is the Best Knower of the corrupters. 40