Surah Al-Mu'minun 23:109

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

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.'

Translation: Saheeh International

Tafsir

Indeed there was a party of My servants — namely the Emigrants — who would say “Our Lord we believe; therefore forgive us and have mercy on us for You are the best of the merciful”.

Excerpt from Tafsir al-Jalalayn, commentary on 23:109, via Quran.com. The reader has the full commentary and 9 more tafsirs.