إِنَّ ٱلَّذِينَ كَفَرُوا سَوَآءٌ عَلَيْهِمْ ءَأَنذَرْتَهُمْ أَمْ لَمْ تُنذِرْهُمْ لَا يُؤْمِنُونَ

Inna allatheena kafaroo sawaonAAalayhim aanthartahum am lam tunthirhum layu/minoon

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