Dr. Mustafa Khattab, the Clear Quran - Surah Al-An'am, ayah 23

Translation of Surah Al-An'am, ayah 23 (6:23)

ثُمَّ لَمۡ تَكُن فِتۡنَتُهُمۡ إِلَّآ أَن قَالُواْ وَٱللَّهِ رَبِّنَا مَا كُنَّا مُشۡرِكِينَ ٢٣
Their only argument will be: “By Allah, our Lord! We were never polytheists.”