Qur'an 21:108

قُلْ إِنَّمَا يُوحَىٰٓ إِلَىَّ أَنَّمَآ إِلَـٰهُكُمْ إِلَـٰهٌ وَٰحِدٌ ۖ فَهَلْ أَنتُم مُّسْلِمُونَ

“Say, "It is only revealed to me that your god is but one God; so will you be Muslims [in submission to Him]?"”

Al-Anbiyaa 21:108 · Saheeh International