سُورَةُ الأَنبِيَاءِ
Surah Al-Anbiyaa·21:57
وَتَاللَّهِ لَأَكِيدَنَّ أَصْنَامَكُمْ بَعْدَ أَنْ تُوَلُّوا مُدْبِرِينَ٥٧
And [he added to himself.] “By God, I shall most certainly bring about the downfall of your idols as soon as you have turned your backs and gone away!”