Qatada قتادة · The Book on Marriage

The Messenger of Allah said: "Four are from the Sunan of the Messengers: Al-Hayat, using Atar, the Siwak, and marriage."

the Messenger of Allah said: "There is no marriage except with a Wali."

The Messenger of Allah said: "The matron has more right to herself than her Wali, and the virgin is to give permission for herself, and her silence is her permission."

"A woman from Banu Fazarah was married for (the dowry of) two sandals. So the Messenger of Allah said to her: 'Do you approve of (exchanging) yourself and your wealth for two sandals?' She said: 'Yes.'" He said: "So he permitted it."

"Azl was mentined before the Messenger of Allah and he said: 'Why would one of you do that?'"