41:23
Fussilat 23
Surah Fussilat (فصلت), verse 23 — reference 41:23. Arabic text with optional translation and free audio on Al-Qalam.
وَذَٰلِكُمْ ظَنُّكُمُ ٱلَّذِى ظَنَنتُم بِرَبِّكُمْ أَرْدَىٰكُمْ فَأَصْبَحْتُم مِّنَ ٱلْخَـٰسِرِينَ
wadhālikum ẓannukumu alladhī ẓanantum birabbikum ardākum fa-aṣbaḥtum mina l-khāsirīna
And that was your assumption which you assumed about your Lord. It has brought you to ruin, and you have become among the losers."