Surah Al-Anbya 21:92
إِنَّ هَـٰذِهِۦٓ أُمَّتُكُمْ أُمَّةً وَٰحِدَةً وَأَنَا۠ رَبُّكُمْ فَٱعْبُدُونِ
Indeed this, your religion, is one religion, and I am your Lord, so worship Me.
Translation: Saheeh International
Tafsir
‘Truly this creed of Islam is your community your religion O you who are being addressed — in other words you must adhere to it as one community this being a necessary state of affairs and I am your Lord so worship Me’ affirm My Oneness.
Excerpt from Tafsir al-Jalalayn, commentary on 21:92, via Quran.com. The reader has the full commentary and 9 more tafsirs.