The Holy Quran 41:23 — Surah Fussilat
Arabic text
وَذَٰلِكُمْ ظَنُّكُمُ ٱلَّذِى ظَنَنتُم بِرَبِّكُمْ أَرْدَىٰكُمْ فَأَصْبَحْتُم مِّنَ ٱلْخَـٰسِرِينَ
Translation
"That was the perception (idea) that you held about your Rabb which has destroyed (doomed) you and made you among the losers (among the Kuffaar)."
Preview. The full text opens with JavaScript enabled.