Ma'mar bin Rashid معمر بن راشد · The Book of Marriage

It was narrated that 'Alqamah said: "I was with Ibn Mas'ud while he was with 'Uthman, may Allah be pleased with him, and 'Uthman said: 'The Messenger of Allah came out to some fityah (young men)--Abu 'AbdurRahman said, 'I did not understand (the word) fityah as I would want'-- and said: 'Whoever among you can afford it, let him get married, for it is more effective in lowering the gaze and guarding chastity, and whoever cannot, then fasting will be…

"None of you should propose marriage to a woman when someone else has already proposed to her."

"Aishah said: 'The Messenger of Allah married me when I was nine and I lived with him for nine years.'"

"The Messenger of Allah said: 'There are three who will be given a twofold reward: A man who has a slave woman whom he disciplines and disciplines her well, and teaches and teaches her well, then he manumits her and marries her; a slave who fulfills his duty toward Allah and toward his masters; and a believer from among the People of the Book.'"

(Another chain) with a similar narration.