The Meccan Revelations: Page 422 from Volume One

On the Day of Judgment, in order for the authority of the Most Gracious, the Most Merciful, to be revealed from his being a king, for mercy on the part of the king is a mercy of pride and gratitude, with dispensation, unlike the mercy of anyone other than the king, such as a mother’s mercy towards her child due to natural compassion, so the mother repel by having mercy on her child whatever pain she finds because of him in herself, for her soul is His mercy and for herself she seeks.