The Description of the Sinful Liar and His Requital Allah the Exalted says,تِلْكَ ايَاتُ اللَّهِThese are the Ayat of Allah --in reference to the Qur'an with the proofs and evidences that it contains,نَتْلُوهَا عَلَيْكَ بِالْحَقِّwhich We recite to you with truth.for they contain the truth from the Truth (i.e., Allah).فَبِأَيِّ حَدِيثٍ بَعْدَ اللَّهِ وَايَاتِهِ يُوْمِنُونَThen in which speech after Allah and His Ayat will they believe?Therefore, if they do not believe in Allah's Ayat nor abide by them, what speech after Allah and His Ayat will they then believe in?Allah said next,وَيْلٌ لِّكُلِّ أَفَّاكٍ أَثِيمٍ