23:118

Al-Muminoon 23:118

وَقُل رَّبِّ ٱغْفِرْ وَٱرْحَمْ وَأَنتَ خَيْرُ ٱلرَّٰحِمِينَ

Wa qur Rabbigh fir warham wa Anta khairur raahimeen

So say: "O my Lord! grant Thou forgiveness and mercy for Thou art the Best of those who show mercy!"