At Tur Ayah 28

إِنَّا كُنَّا مِن قَبْلُ نَدْعُوهُ‌ۖ إِنَّهُۥ هُوَ ٱلْبَرُّ ٱلرَّحِيمُ ٢٨ Indeed, we used to call upon Him ?alone? before. He is truly the Most Kind, Most Merciful.”