Surah Al-Anbiya Verse 87 - English Translation by Muhammad Sarwar
Surah Al-Anbiyaوَذَا ٱلنُّونِ إِذ ذَّهَبَ مُغَٰضِبٗا فَظَنَّ أَن لَّن نَّقۡدِرَ عَلَيۡهِ فَنَادَىٰ فِي ٱلظُّلُمَٰتِ أَن لَّآ إِلَٰهَ إِلَّآ أَنتَ سُبۡحَٰنَكَ إِنِّي كُنتُ مِنَ ٱلظَّـٰلِمِينَ
Dhun Nun went away in anger and thought that We would never have power over him, but in darkness he cried, "Lord, You are the Only God whom I glorify. I have certainly done wrong to myself (so forgive me)