Quran 23:109 Al-Mu'minun, ayah 109 of 118

إِنَّهُۥ كَانَ فَرِيقٌ مِّنْ عِبَادِى يَقُولُونَ رَبَّنَآ ءَامَنَّا فَٱغْفِرْ لَنَا وَٱرْحَمْنَا وَأَنتَ خَيْرُ ٱلرَّٰحِمِينَ ۝١٠٩

23:109 Lo! there was a party of My slaves who said: Our Lord! We believe, therefor forgive us and have mercy on us for Thou art Best of all who show mercy;