وَإِذا تُتلىٰ عَلَيهِم آياتُنا بَيِّناتٍ ۙ قالَ الَّذينَ لا يَرجونَ لِقاءَنَا ائتِ بِقُرآنٍ غَيرِ هـٰذا أَو بَدِّلهُ ۚ قُل ما يَكونُ لي أَن أُبَدِّلَهُ مِن تِلقاءِ نَفسي ۖ إِن أَتَّبِعُ إِلّا ما يوحىٰ إِلَيَّ ۖ إِنّي أَخافُ إِن عَصَيتُ رَبّي عَذابَ يَومٍ عَظيمٍ

When Our clear verses are conveyed to them, those who don’t expect to meet Us say, “Bring us a Quran other than this, or change it.” Say, “It’s not for me to modify it of my own. I only follow what’s revealed to me. Should I disobey my Lord, I fear the punishment of a great Day.”