Dua from Quran/Rabbana Dua 4

الَّذِينَ يَقُولُونَ رَبَّنَا إِنَّنَا آمَنَّا فَاغْفِرْ لَنَا ذُنُوبَنَا وَقِنَا عَذَابَ النَّارِ

Those (are the ones) who say: “Our Lord, surely we have believed, so forgive us our sins and save us from the punishment of the Fire,”

Surah Al-Imran : 3:16