Surah Fussilat (41:23)

وَذَٰلِكُمْ ظَنُّكُمُ ٱلَّذِى ظَنَنتُم بِرَبِّكُمْ أَرْدَىٰكُمْ فَأَصْبَحْتُم مِّنَ ٱلْخَٰسِرِينَ

And that was your assumption which you assumed about your Lord that ruined you, so you became among the losers.