Ali ibn Abi Talib · The Book on Marriage

"Three will receive their reward twice: A slave who fulfills the rights of Allah and the rights of his owners, then he will be given his reward twice. And a man who has a beautiful slave girl, so he teaches her good manners, then he frees her, then he married her seeking the Face of Allah by that; then he will be given his reward twice. And a man who believed in an earlier Book, then another Book came to…

"The wife of Rifa'ah Al-Qurzi came to the Messenger of Allah and said: 'I was with Rifa'ah and he divorced me irrevocably. Then I married Abdur-Rahman bin Az-Zubair, but he only has the likes of the fringe of a garment.' So he said: 'Perhaps you want me to return to Rifa'ah? No, not until you taste his sweetness, and he tastes your sweetness.'"