Surah Al-Baqara Verse 6

إِنَّ الَّذِينَ كَفَرُوا سَوَاءٌ عَلَيْهِمْ أَأَنذَرْتَهُمْ أَمْ لَمْ تُنذِرْهُمْ لَا يُؤْمِنُونَ

Innal lazeena kafaroo sawaaa'un 'alaihim 'a-anzar tahum am lam tunzirhum laa yu'minoon

Translation / The Meaning

Indeed, those who disbelieve - it is all the same for them whether you warn them or do not warn them - they will not believe.