Quran An-Naml 27:45
وَلَقَدۡ أَرۡسَلۡنَآ إِلَىٰ ثَمُودَ أَخَاهُمۡ صَٰلِحًا أَنِ ٱعۡبُدُواْ ٱللَّهَ فَإِذَا هُمۡ فَرِيقَانِ يَخۡتَصِمُونَ
Translation
And We had certainly sent to Thamūd their brother Ṣāliḥ, [saying], "Worship Allāh," and at once they were two parties conflicting.