Surah Al-A'raf 7:73

وَإِلَىٰ ثَمُودَ أَخَاهُمْ صَـٰلِحًا ۗ قَالَ يَـٰقَوْمِ ٱعْبُدُوا۟ ٱللَّهَ مَا لَكُم مِّنْ إِلَـٰهٍ غَيْرُهُۥ ۖ قَدْ جَآءَتْكُم بَيِّنَةٌ مِّن رَّبِّكُمْ ۖ هَـٰذِهِۦ نَاقَةُ ٱللَّهِ لَكُمْ ءَايَةً ۖ فَذَرُوهَا تَأْكُلْ فِىٓ أَرْضِ ٱللَّهِ ۖ وَلَا تَمَسُّوهَا بِسُوٓءٍ فَيَأْخُذَكُمْ عَذَابٌ أَلِيمٌ

And to the Thamūd [We sent] their brother Ṣāliḥ. He said, "O my people, worship Allāh; you have no deity other than Him. There has come to you clear evidence from your Lord. This is the she-camel of Allāh [sent] to you as a sign. So leave her to eat within Allāh's land and do not touch her with harm, lest there seize you a painful punishment.

Translation: Saheeh International

Tafsir

And We sent to Thamūd Thamūda read without declining the noun as denoting the tribe of Thamūd itself their brother Sālih. He said ‘O my people worship God! You have no god other than Him. …

Excerpt from Tafsir al-Jalalayn, commentary on 7:73, via Quran.com. The reader has the full commentary and 9 more tafsirs.