Muhammad bin Ziyad محمد بن زياد القرشي · The Chapters on Marriage

Sa'd said: “The Messenger of Allah disapproved of Uthman bin Maz'un's desire to remain celibate; if he had given him permission, we would have gotten ourselves castrated.”

the Messenger of Allah said: “A man should not propose to a woman to whom his brother has already proposed.”

the Messenger of Allah said: “There is no marriage except with a guardian.”

that the Prophet said: “Announce this marriage, and beat the sieve for it.”