Musnad Ahmad 536:7

Ishaq ibn Isa narrated to us, he said: Layth—meaning Ibn Sa’d—narrated to me, he said: Abdullah ibn Abd al-Rahman ibn Abi Husayn narrated to me, from Adi ibn Adi al-Kindi, from his father, from the Messenger of Allah, peace and blessings of Allah be upon him, who said: "The previously married woman expresses herself, and the virgin, her consent is her silence."