"Seek the permission of women with regard to marriage." It was said: "What if a virgin is too shy and remains silent?" He said: "That is her permission."
Sunan an-Nasa'i Book 26, Hadith 71
← Previous Hadith "A previously married woman should not be married until her permission has been sought, and a virgin should not be married until her consent is sought." They said: "O Messenger of Allah, how does she give her permission?" He said: "Her permission is if she keeps silent."

Sunan an-Nasa'i Book 26, Hadith 70 Next Hadith → "A previously married woman should not be married until her consent has been sought, and a virgin should not be married until her permission has been sought." They said: "O Messenger of Allah, what is her permission?" He said: "If she remains silent."

Sunan an-Nasa'i Book 26, Hadith 72