وَإِذَا تُتْلَىٰ عَلَيْهِمْ ءَايَاتُنَا بَيِّنَـٰتٍ ۙ قَالَ ٱلَّذِينَ لَا يَرْجُونَ لِقَآءَنَا ٱئْتِ بِقُرْءَانٍ غَيْرِ هَـٰذَآ أَوْ بَدِّلْهُ ۚ قُلْ مَا يَكُونُ لِىٓ أَنْ أُبَدِّلَهُۥ مِن تِلْقَآئِ نَفْسِىٓ ۖ إِنْ أَتَّبِعُ إِلَّا مَا يُوحَىٰٓ إِلَىَّ ۖ إِنِّىٓ أَخَافُ إِنْ عَصَيْتُ رَبِّى عَذَابَ يَوْمٍ عَظِيمٍ
Wa izaa tutlaa 'alaihim aayaatunaa baiyinaatin qaalal lazeena laa yarjoona liqaaa'ana'ti bi Quraanin ghairi haazaaa aw baddilh; qul maa yakoonu leee an ubaddilahoo min tilqaaa'i nafsee in attabi'u illaa maa yoohaaa ilaiya inneee akhaafu in 'asaytu Rabbee 'azaaba Yawmin 'Azeeem
When our clear signs are recited to them, those who do not expect to meet us say, "Bring a Qur'an other than this, or change it." Say, "It is not for me to change it of my own accord. I follow only what is revealed to me. Indeed, I fear, if I disobey my Lord, the punishment of a tremendous day."