Surah Ash-Shu'ara Verse 51

إِنَّا نَطْمَعُ أَنْ يَغْفِرَ لَنَا رَبُّنَا خَطَايَانَا أَنْ كُنَّا أَوَّلَ الْمُؤْمِنِينَ

Indeed, we aspire that our Lord will forgive us our sins because we were the first of the believers