Al-A'raf 7:5

فَمَا كَانَ دَعْوَىٰهُمْ إِذْ جَآءَهُم بَأْسُنَآ إِلَّآ أَن قَالُوٓا۟ إِنَّا كُنَّا ظَـٰلِمِينَ

Famā kāna daʿwāhum idh jāahum basunā illā an qālū innā kunnā ẓālimīna

And their declaration when Our punishment came to them was only that they said, "Indeed, we were wrongdoers!"