priority of early believers

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."