Prohibition of seeking forgiveness for polytheists

It is not worthy of the Prophet and those who believe to seek forgiveness for those who are idolaters, even though they may be their relatives, after they have come to know that they are destined for Hell.

As for Abraham's prayer for his father, he was fulfilling a promise he had made to him. Yet when it became evident to him that (his father) was an enemy of God, he broke away from him, though Abraham was soft hearted and kind.

God never leads men astray after guiding them, until He makes quite clear to them what they should avoid, for God indeed knows each and everything.

Verily God's is the kingdom of the heavens and the earth. He alone is the giver of life and death; and none do you have besides God as friend and helper.