Threats to the people who denied the Qur'an

وَإِنَّ مِنْهُمْ لَفَرِيقًۭا يَلْوُۥنَ أَلْسِنَتَهُم بِٱلْكِتَٰبِ لِتَحْسَبُوهُ مِنَ ٱلْكِتَٰبِ وَمَا هُوَ مِنَ ٱلْكِتَٰبِ وَيَقُولُونَ هُوَ مِنْ عِندِ ٱللَّهِ وَمَا هُوَ مِنْ عِندِ ٱللَّهِ وَيَقُولُونَ عَلَى ٱللَّهِ ٱلْكَذِبَ وَهُمْ يَعْلَمُونَ

There is among them a section who distort the Book with their tongues: (As they read) you would think it is a part of the Book, but it is no part of the Book; and they say, "That is from Allah," but it is not from Allah: It is they who tell a lie against Allah, and (well) they know it!

إِنَّ ٱلَّذِينَ يُجَٰدِلُونَ فِىٓ ءَايَٰتِ ٱللَّهِ بِغَيْرِ سُلْطَٰنٍ أَتَىٰهُمْ ۙ إِن فِى صُدُورِهِمْ إِلَّا كِبْرٌۭ مَّا هُم بِبَٰلِغِيهِ ۚ فَٱسْتَعِذْ بِٱللَّهِ ۖ إِنَّهُۥ هُوَ ٱلسَّمِيعُ ٱلْبَصِيرُ

Those who dispute about the signs of Allah without any authority bestowed on them,- there is nothing in their breasts but (the quest of) greatness, which they shall never attain to: seek refuge, then, in Allah: It is He Who hears and sees (all things).

أَلَمْ تَرَ إِلَى ٱلَّذِينَ يُجَٰدِلُونَ فِىٓ ءَايَٰتِ ٱللَّهِ أَنَّىٰ يُصْرَفُونَ

Seest thou not those that dispute concerning the Signs of Allah? How are they turned away (from Reality)?-

وَيَعْلَمَ ٱلَّذِينَ يُجَٰدِلُونَ فِىٓ ءَايَٰتِنَا مَا لَهُم مِّن مَّحِيصٍۢ

But let those know, who dispute about Our Signs, that there is for them no way of escape.