Complete submission and servitude to Allah (ibadah)

صِبْغَةَ ٱللَّهِ ۖ وَمَنْ أَحْسَنُ مِنَ ٱللَّهِ صِبْغَةً ۖ وَنَحْنُ لَهُۥ عَـٰبِدُونَ

[And say, "Ours is] the religion of Allāh. And who is better than Allāh in [ordaining] religion? And we are worshippers of Him."