Ash-Shu'ara - 26:51

إِنَّا نَطْمَعُ أَن يَغْفِرَ لَنَا رَبُّنَا خَطَـٰيَـٰنَآ أَن كُنَّآ أَوَّلَ ٱلْمُؤْمِنِينَ

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