Qur'ān 27:45 · An-Naml (النمل)

وَلَقَدْ أَرْسَلْنَآ إِلَىٰ ثَمُودَ أَخَاهُمْ صَـٰلِحًا أَنِ ٱعْبُدُوا۟ ٱللَّهَ فَإِذَا هُمْ فَرِيقَانِ يَخْتَصِمُونَ

And We had certainly sent to Thamud their brother Salih, [saying], "Worship Allah," and at once they were two parties conflicting.