Abu Hurayrah (may Allah be pleased with him) reported: The Prophet (may Allah's peace and blessings be upon him) said: "When Allah created the creation, He wrote in a book, which is with Him over the Throne: Verily, My mercy predominates over My anger." Another narration: "My mercy predominated My anger.'' Another narration: "My mercy preceded My anger.'' Authentic hadith - Narrated by Bukhari & Muslim