We had certainly sent Noah to his people, and he said, "O my people, worship Allah; you have no deity other than Him. Indeed, I fear for you the punishment of a tremendous Day.  

لَقَدْ أَرْسَلْنَا نُوحًا إِلَىٰ قَوْمِهِ فَقَالَ يَا قَوْمِ اعْبُدُوا اللَّهَ مَا لَكُمْ مِنْ إِلَٰهٍ غَيْرُهُ إِنِّي أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ عَظِيمٍ  

And to the 'Aad ˹We sent˺ their brother Hud. He said, "O my people, worship Allah; you have no deity other than Him. Then will you not fear Him?"  

وَإِلَىٰ عَادٍ أَخَاهُمْ هُودًا ۗ قَالَ يَا قَوْمِ اعْبُدُوا اللَّهَ مَا لَكُمْ مِنْ إِلَٰهٍ غَيْرُهُ ۚ أَفَلَا تَتَّقُونَ  

And We sent among them a messenger from themselves, ˹saying˺, "Worship Allah; you have no deity other than Him; then will you not fear Him?"  

فَأَرْسَلْنَا فِيهِمْ رَسُولًا مِنْهُمْ أَنِ اعْبُدُوا اللَّهَ مَا لَكُمْ مِنْ إِلَٰهٍ غَيْرُهُ ۖ أَفَلَا تَتَّقُونَ