Yā-Sīn 36:10 · سُورَةُ يس

وَسَوَآءٌ عَلَيْهِمْ ءَأَنذَرْتَهُمْ أَمْ لَمْ تُنذِرْهُمْ لَا يُؤْمِنُونَ

wasawāon ʿalayhim a-andhartahum am lam tundhir'hum lā yu'minūna

And it is all the same for them whether you warn them or do not warn them - they will not believe.

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