Surah Adz-Dzariyah (The Scattering Winds), Verse 54

فَتَوَلَّ عَنْهُمْ فَمَاۤ اَنْتَ بِمَلُوْمٍ 

Fatawalla 'anhum famaaa anta bimaloom

“So turn away from them: not thine is the blame.”

Quran 51:54 (Yusuf Ali Translation)