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-idhā tut'lā ʿalayhim āyātunā bayyinātin qāla alladhīna lā yarjūna liqāanā i'ti biqur'ānin ghayri hādhā aw baddil'hu qul mā yakūnu lī an ubaddilahu min til'qāi nafsī in attabiʿu illā mā yūḥā ilayya innī akhāfu in ʿaṣaytu rabbī ʿadhāba yawmin ʿaẓīmin
When Our clear revelations are recited to them, those who do not expect to meet with Us say, ‘Bring [us] a different Quran, or change it.’ [Prophet], say, ‘It is not for me to change it of my own accord; I only follow what is revealed to me, for I fear the torment of an awesome Day, if I were to disobey my Lord.’
And when Our clear Verses are recited unto them, those who hope not for their meeting with Us, say: "Bring us a Qur’ân other than this, or change it." Say (O Muhammad صلى الله عليه وسلم): "It is not for me to change it on my own accord; I only follow that which is revealed unto me. Verily, I fear the torment of the Great Day (i.e. the Day of Resurrection) if I were to disobey my Lord."