Al-Mu'minun 23:109

إِنَّهُۥ كَانَ فَرِيقٞ مِّنۡ عِبَادِي يَقُولُونَ رَبَّنَآ ءَامَنَّا فَٱغۡفِرۡ لَنَا وَٱرۡحَمۡنَا وَأَنتَ خَيۡرُ ٱلرَّـٰحِمِينَ 109

Indeed, there was a party of My servants who said, 'Our Lord, we have believed, so forgive us and have mercy upon us, and You are the best of the merciful