Surah Al-Anbiya Verse 87 - English Translation by A. J. Arberry
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
And Dhul Nun -- when he went forth enraged and thought that We would have no power over him; then he called out in the darkness, 'There is no god but Thou. Glory be to Thee! I have done evil