Surah Al-Mu'minun, ayah 109

23:109

إِنَّهُۥ كَانَ فَرِيقٞ مِّنۡ عِبَادِي يَقُولُونَ رَبَّنَآ ءَامَنَّا فَٱغۡفِرۡ لَنَا وَٱرۡحَمۡنَا وَأَنتَ خَيۡرُ ٱلرَّٰحِمِينَ ١٠٩

Innahū kāna farīqum min 'ibādī yaqūlūna rabbanā āmannā faghfir lanā warhamnā wa anta khayrur-rāhimīn

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.'