Quran 51:51

وَلَا تَجْعَلُوا۟ مَعَ ٱللَّهِ إِلَٰهًا ءَاخَرَ ۖ إِنِّى لَكُم مِّنْهُ نَذِيرٌۭ مُّبِينٌۭ

And do not make [as equal] with Allah another deity. Indeed, I am to you from Him a clear warner.

Translation · Saheeh International