Surah Ash-Shu'araa, Verse 97
تَٱللَّهِ إِن كُنَّا لَفِى ضَلَٰلٍۢ مُّبِينٍ
Translation — Sahih International
"By Allah, we were indeed in manifest error
Source
Kur'an-ı Kerim, Şu'arâ Suresi 26:97
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/26-suresi-97-ayet