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 This then is Allah, your true Lord; and what is there after the truth but error; how are you then turned back? 32 This is how the Word of your Lord is proved concerning the sinful, so they will not believe. 33 Ask them: "Is there among the partners (you ascribe to God) one who first originates then reverts it? Say: "It is God alone who first creates and then reverts it. So where do you stray?" 34 Say: "Is there of your (Allah's so-called) partners one that guides to the truth?" Say: "It is Allah Who guides to the truth. Is then He, Who gives guidance to the truth, more worthy to be followed, or he who finds not guidance (himself) unless he is guided? Then, what is the matter with you? How judge you?" 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 And this Qur'an is not such as could be fabricated as against Allah. But it is a confirmation of that which is before it, and a detailing of the Decree, whereof there is no doubt, from the Lord of the worlds. 37 And yet, they [who are bent on denying the truth] assert, "[Muhammad] has invented it!" Say [unto them]: "Produce, then, a surah of similar merit; and [to this end] call to your aid whomever you can, other than God, if what you say is true! 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 Some of them will believe in it [the Quran], while others will not. And your Lord is fully aware of the evil-doers. 40