istaghfir lahum aw laa tastaghfir lahum in tastaghfir lahum sab'eena marratan falany yaghfiral laahu lahum; zaalika bi annahum kafaroo billaahi wa Rasoolih; wallaahu laa yahdil qawmal faasiqeen
Ask forgiveness for them or do not ask forgiveness for them; even if you ask forgiveness for them seventy times, Allah will not forgive them; this is because they disbelieve in Allah and His Apostle, and Allah does not guide the transgressing people.