أَمْ يَقُولُونَ افْتَرَاهُ ۚ بَلْ هُوَ الْحَقُّ مِنْ رَبِّكَ لِتُنْذِرَ قَوْمًا مَا أَتَاهُمْ مِنْ نَذِيرٍ مِنْ قَبْلِكَ لَعَلَّهُمْ يَهْتَدُونَ

Surah As-Sajdah : 3
Or do they say, "He invented it"? Rather, it is the truth from your Lord, [O Muhammad], that you may warn a people to whom no warner has come before you [so] perhaps they will be guided.

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