Az-Zumar (The Troops)

Surah 39 · Verse 56

lest a soul should say, “My regrets on being negligent towards Allah’s side, and I was of those who mocked,”

أَنْ تَقُولَ نَفْسٌ يَا حَسْرَتَا عَلَىٰ مَا فَرَّطْتُ فِي جَنْبِ اللَّهِ وَإِنْ كُنْتُ لَمِنَ السَّاخِرِينَ