Translation of the verse 23 from Surah Al-Mu’minun : Number of verses 118 - - page 343 - Part 18.
And indeed We sent Nuh (Noah) to his people, and he said: "O my people! Worship Allah! You have no other Ilah (God) but Him (Islamic Monotheism). Will you not then be afraid (of Him i.e. of His Punishment because of worshipping others besides Him)?"
And We had certainly sent Noah to his people, and he said, "O my people, worship Allah; you have no deity other than Him; then will you not fear Him?"
(23:23) We sent Noah to his people: *24 he said, "O my people, worship Allah alone; you have no other deity than Him.
*24) See also Al-A`araf (VII): 59-64, Yunus (X): 71-73, Hud (X1): 25-48, Bani Isra'il (XVII): 3 and AI-Anbiya' (XXI): 76-77.