صِبْغَةَ ٱللَّهِ ۖ وَمَنْ أَحْسَنُ مِنَ ٱللَّهِ صِبْغَةًۭ ۖ وَنَحْنُ لَهُۥ عَٰبِدُونَ
Sibghatal laahi wa man ahsanu minal laahi sibghatanw wa nahnu lahoo 'aabidoon
[And say, "Ours is] the religion of Allah. And who is better than Allah in [ordaining] religion? And we are worshippers of Him."
Quran 2:138. Arabic: Uthmani text (Tanzil). English: Sahih International.