Sura 68 Al-Qalam (The Pen), ayah 29

1. قَالُوا سُبْحَانَ رَبِّنَا إِنَّا كُنَّا ظَالِمِينَ

   They said, "Exalted is our Lord! Indeed, we were wrongdoers."

   68:29

Translation: Saheeh International