al-Laith bin Sa'd الليث بن سعد · The Book of Marriage

It was narrated that Sa'd bin Abi Waqqas said: "The Messenger of Allah forbade 'Uthman to be celibate. If he had given him permission we would have castrated ourselves."

It was narrated from Ibn Buraidah that his father said: "The Messenger of Allah said: 'The nobility of the people of this world, that which they (always) go to, is wealth.'"

It was narrated from 'Abdullah bin 'Amr bin Al-'As that the Messenger of Allah said: "This world is all temporary conveniences, and the best temporary convenience of this world is a righteous woman."

"The Messenger of Allah said: 'The Muhrim should not get married, or arrange a marriage for someone else, or propose marriage.'"

"I was among the people with the Prophet when a woman stood up and said: 'O Messenger of Allah, she has offered herself in marriage to you, so see what you think of her.' He remained silent and the Prophet did not give any answer. Then she stood up (again) and said: 'O Messenger of Allah, she has offered herself in marriage to you, so see what you think of her.' A man stood up and said: 'Marry her to…

"O Messenger of Allah, marry the daughter of my father" - meaning her sister. The Messenger of Allah said: "Would you like that?" She said: "Yes; I do not have you all to myself, and I would like to share this goodness with my sister." The Prophet said: "That is not permissible for me." Umm Habibah said: "O Messenger of Allah, by Allah, we have been saying that you want to marry Durrah bint Abi Salamah." He said: "The daughter…

"We have been saying that you want to marry Durrah bint Abi Salamah." The Messenger of Allah said: "As a co-wife to Umm Salamah? Even if I were not married to Umm Salamah, she would not be permissible to me, for her father is my brother through breast-feeding."

"A woman should not be taken as a co-wife to her paternal aunt or her maternal aunt."

"If she let him do that, I will flog him with one hundred stripes, and if she did not let him do that, I will stone him (to death)."