Surah Al-Mu'minun, Verse 52

وَإِنَّ هَٰذِهِۦٓ أُمَّتُكُمۡ أُمَّةٗ وَٰحِدَةٗ وَأَنَا۠ رَبُّكُمۡ فَٱتَّقُونِ٥٢

wa-inna hādhihi ummatukum ummatan wāḥidatan wa-anā rabbukum fa-ittaqūni

And indeed this, your religion, is one religion, and I am your Lord, so fear Me."