Asking for forgiveness and mercy
رَبَّنَا ظَلَمْنَا أَنْفُسَنَا وَإِنْ لَمْ تَغْفِرْ لَنَا وَتَرْحَمْنَا لَنَكُونَنَّ مِنَ الْخَاسِرِينَ
Rabbana zalamna anfusana wa in lam taghfir lana wa tarhamna lanakunanna minal-khasirin
Our Lord, we have wronged ourselves. If You do not forgive us and have mercy on us, we shall surely be among the losers.
Forgiveness Surah al-A'raf 7:23