وَذَا النُّونِ إِذ ذَّهَبَ مُغَاضِبًا فَظَنَّ أَن لَّن نَّقْدِرَ عَلَيْهِ فَنَادَى فِي الظُّلُمَاتِ أَن لَّا إِلَهَ إِلَّا أَنتَ سُبْحَانَكَ إِنِّي كُنتُ مِنَ الظَّالِمِينَ
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سورة الأنبياء
(21/87) And Zun-nun! recall what time he departed in anger and imagined that We could not straiten him, then he cried in the darknesses, that: there is no god but Thou! hallowed be Thou! verily I have been of the wrong-doers.
Surah Al-Anbiya