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“We never sent any messenger before you without revealing to him, ‘There is no god but Me, so worship Me.’”
﴿وَمَا أَرْسَلْنَا مِنْ قَبْلِكَ مِنْ رَسُولٍ إِلا نُوحِي إِلَيْهِ أَنَّهُ لا إِلَهَ إِلا أَنَا فَاعْبُدُونِ﴾ .
“We never sent any messenger before you without revealing to him, ‘There is no god but Me, so worship Me.’”