Allah says:

لَا إِلَـٰهَ إِلَّا أَنتَ سُبْحَانَكَ إِنِّي كُنتُ مِنَ الظَّالِمِينَ

Laaa ilaaha illaa Anta Subhaanaka innee kuntu minaz-zaalimeen.

There is no deity except You; exalted are You. Indeed, I have been of the wrongdoers.

Reference: Surah Al-Ambiya 21:87