Dr. Mustafa Khattab, the Clear Quran - Surah Fussilat, ayah 23

Translation of Surah Fussilat, ayah 23 (41:23)

وَذَٰلِكُمۡ ظَنُّكُمُ ٱلَّذِي ظَنَنتُم بِرَبِّكُمۡ أَرۡدَىٰكُمۡ فَأَصۡبَحۡتُم مِّنَ ٱلۡخَٰسِرِينَ ٢٣
It was that ˹false˺ assumption you entertained about your Lord that has brought about your doom, so you have become losers.”