Quran 21:14 from Surah Al-Anbiyaa on Divine Marvels.
قَالُواْ يَٰوَيۡلَنَآ إِنَّا كُنَّا ظَٰلِمِينَ
English translation: They said O woe to us! Indeed [we] we were wrongdoers
Transliteration: qalu yawaylana inna kunna zalimina