Hud · Ayah 26
أَن لَّا تَعْبُدُوٓا۟ إِلَّا ٱللَّهَ إِنِّىٓ أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ أَلِيمٍ
That you not worship except Allāh. Indeed, I fear for you the punishment of a painful day."
Quran 11:26 (Hud) · Saheeh International, Noor International Center (QuranEnc v1.1.2)