أَنْ لَا تَعْبُدُوا إِلَّا اللَّهَ ۖ إِنِّي أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ أَلِيمٍ

Surah Hud : 26
That you not worship except Allah . Indeed, I fear for you the punishment of a painful day."

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