Then Allah, the Exalted, explains the miracle of the Qur'an, and that no one is able to produce its like, or even bring ten chapters, or one chapter like it. The reason for this is that the Speech of the Lord of all that exists is not like the speech of the created beings, just as His attributes are not like the attributes of the creation. Nothing resembles His existence. Exalted is He, the Most Holy, and the Sublime. There is no deity worthy of worship except He and there is no true Lord other than He. Then Allah goes on to say,

﴿فَإِلَّمْ يَسْتَجِيبُواْ لَكُمْ﴾

(If then they answer you not,) Meaning, that if they do not come with a reply to that which you have challenged them with (to the reproduction of ten chapters like the Qur'an), then know that it is due to their inability to do so. Know (that this is a proof) that this is the speech revealed from Allah. It contains His knowledge, His commands and His prohibitions. Then Allah continues by saying,

﴿وَأَن لاَّ إِلَـهَ إِلاَّ هُوَ فَهَلْ أَنتُمْ مُّسْلِمُونَ﴾

(and that there is no God besides Him! Will you then be Muslims)

﴿مَن كَانَ يُرِيدُ الْحَيَوةَ الدُّنْيَا وَزِينَتَهَا نُوَفِّ إِلَيْهِمْ أَعْمَالَهُمْ فِيهَا وَهُمْ فِيهَا لاَ يُبْخَسُونَ - أُوْلَـئِكَ الَّذِينَ لَيْسَ لَهُمْ فِى الاٌّخِرَةِ إِلاَّ النَّارُ وَحَبِطَ مَا صَنَعُواْ فِيهَا وَبَاطِلٌ مَّا كَانُواْ يَعْمَلُونَ ﴾

(15. Whosoever desires the life of the world and its glitter, to them We shall pay in full (the wages of) their deeds therein, and they will have no diminution therein.) (16. They are those for whom there is nothing in the Hereafter but Fire, and vain are the deeds they did therein. And of no effect is that which they used to do.)