وَلَوْ شَاءَ رَبُّكَ لَجَعَلَ النَّاسَ أُمَّةً وَاحِدَةً ۖ وَلَا يَزَالُونَ مُخْتَلِفِينَ

Surah Hud : 118
And if your Lord had willed, He could have made mankind one community; but they will not cease to differ.

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