The Holy Quran 6:110 — Surah Al-An'am

Arabic text

وَنُقَلِّبُ أَفْـِٔدَتَهُمْ وَأَبْصَـٰرَهُمْ كَمَا لَمْ يُؤْمِنُوا۟ بِهِۦٓ أَوَّلَ مَرَّةٍ وَنَذَرُهُمْ فِى طُغْيَـٰنِهِمْ يَعْمَهُونَ

Translation

We shall overturn their hearts (so that they do not accept the truth) and their eyes (so that they do not see the truth) just as they did not have Imaan the first time (because they did not believe the first time) and (We) leave them wandering blind (astray) in their stubbornness (in their arrogance).

Tafsir (excerpt) — Tafsir Usmani

That is, when they persist in disbelief and rebellion, the result will be that We turn their hearts and eyes upside down, and then they will not be granted the ability to understand and see the truth.

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