Al-A'raf 7:59

لَقَدۡ أَرۡسَلۡنَا نُوحًا إِلَىٰ قَوۡمِهِۦ فَقَالَ يَٰقَوۡمِ ٱعۡبُدُواْ ٱللَّهَ مَا لَكُم مِّنۡ إِلَٰهٍ غَيۡرُهُۥٓ إِنِّيٓ أَخَافُ عَلَيۡكُمۡ عَذَابَ يَوۡمٍ عَظِيمٖ 59

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