أَن تَقولَ نَفسٌ يا حَسرَتىٰ عَلىٰ ما فَرَّطتُ في جَنبِ اللَّهِ وَإِن كُنتُ لَمِنَ السّاخِرينَ

Lest a soul should lament, “Alas, I have neglected my duty towards God and was among the mockers.”