فَإِن تَوَلَّوْا فَقَدْ أَبْلَغْتُكُم مَّآ أُرْسِلْتُ بِهِۦٓ إِلَيْكُمْ ۚ وَيَسْتَخْلِفُ رَبِّى قَوْمًا غَيْرَكُمْ وَلَا تَضُرُّونَهُۥ شَيْـًٔا ۚ إِنَّ رَبِّى عَلَىٰ كُلِّ شَىْءٍ حَفِيظٌ

Fa-in tawallaw faqad ablaghtukum maorsiltu bihi ilaykum wayastakhlifu rabbee qawman ghayrakum walatadurroonahu shay-an inna rabbee AAala kullishay-in hafeeth

But if you turn away, then I have already conveyed that with which I was sent to you. My Lord will give succession to a people other than you, and you will not harm Him at all. Indeed my Lord is, over all things, Guardian."