أَن لَّا تَعۡبُدُوٓاْ إِلَّا ٱللَّهَۖ إِنِّيٓ أَخَافُ عَلَيۡكُمۡ عَذَابَ يَوۡمٍ أَلِيمٖ ٢٦
That you not worship except Allāh. Indeed, I fear for you the punishment of a painful day."
Translation: Saheeh International (English)
أَن لَّا تَعۡبُدُوٓاْ إِلَّا ٱللَّهَۖ إِنِّيٓ أَخَافُ عَلَيۡكُمۡ عَذَابَ يَوۡمٍ أَلِيمٖ ٢٦
That you not worship except Allāh. Indeed, I fear for you the punishment of a painful day."
Translation: Saheeh International (English)
Each word's meaning and sound
Noah called his people to worship Allah alone, and not to worship any besides Him, because he feared the punishment of a painful day for them.
Al-Mukhtasar in interpreting the Noble Quran