As-Saffat 37:29
قَالُوا۟ بَل لَّمْ تَكُونُوا۟ مُؤْمِنِينَ
Qaloo bal lam takoonoo mu/mineen
They [i.e., the oppressors] will say, "Rather, you [yourselves] were not believers,
They (the chiefs) will say, “On the contrary, you yourselves were not believers.