Qur'ān 11:26 · Hud (هود)
أَن لَّا تَعْبُدُوٓا۟ إِلَّا ٱللَّهَ ۖ إِنِّىٓ أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ أَلِيمٍۢ
That you not worship except Allah. Indeed, I fear for you the punishment of a painful day."
أَن لَّا تَعْبُدُوٓا۟ إِلَّا ٱللَّهَ ۖ إِنِّىٓ أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ أَلِيمٍۢ
That you not worship except Allah. Indeed, I fear for you the punishment of a painful day."