Qur'an 40:84

فَلَمَّا رَأَوْا۟ بَأْسَنَا قَالُوٓا۟ ءَامَنَّا بِٱللَّهِ وَحْدَهُۥ وَكَفَرْنَا بِمَا كُنَّا بِهِۦ مُشْرِكِينَ

“And when they saw Our punishment, they said, "We believe in Allāh alone and disbelieve in that which we used to associate with Him."”

Ghafir 40:84 · Saheeh International