Al-A'raf 23

قَالَا رَبَّنَا ظَلَمْنَآ أَنفُسَنَا وَإِن لَّمْ تَغْفِرْ لَنَا وَتَرْحَمْنَا لَنَكُونَنَّ مِنَ ٱلْخَـٰسِرِينَ

qālā rabbanā ẓalamnā anfusanā wa-in lam taghfir lanā watarḥamnā lanakūnanna mina l-khāsirīna

They said, "Our Lord, we have wronged ourselves, and if You do not forgive us and have mercy upon us, we will surely be among the losers."