Surah Al-A'raf (The Heights), Verse 59

لَقَدْ اَرْسَلْنَا نُوْحًا اِلٰی قَوْمِهٖ فَقَالَ یٰقَوْمِ اعْبُدُوا اللّٰهَ مَا لَكُمْ مِّنْ اِلٰهٍ غَیْرُهٗ اِنِّیْۤ اَخَافُ عَلَیْكُمْ عَذَابَ یَوْمٍ عَظِیْمٍ ۟

Laqad arsalnaa noohan ilaa qawmihee faqaala yaa qawmi' budul laaha maa lakum min ilaahin ghairuhoo inneee akhaafu 'alaikum 'azaaba Yawmin 'Azeem

“We sent Noah to his people. He said: "O my people! worship Allah! ye have no other god but Him. I fear for you the punishment of a dreadful day!”

Quran 7:59 (Yusuf Ali Translation)