Sahih Muslim Book 030, Hadith Number 5686.
Hadith Section/Book: Sahih Muslim Sahih Muslim Book 30. The Excellent Qualities Of The Holy Prophet (PBUH) And His Companions
Chapter : The cistern of our Apostle (may peace be upon him) and its characteristics.
Umm Salama, the wife of Allah's Apostle (may peace be upon him), said I used to hear from people making a mention of the Cistern, but I did not hear about it from Allah's Messenger (may peace be upon him). One day while a girl was combing me I heard Allah's Messenger (may peace be upon him) say: "O people." I said to that girl: Keep away from me. She said: He (the Holy Prophet) has addressed the men only and he has not invited the attention of the women. I said: I am amongst the people also (and have thus every right to listen to the things pertaining to religion). Allah's Messenger (may peace be upon him) said: I shall be your harbinger on the Cistern; therefore, be cautious lest one of you should come (to me) and may be driven away like a stray camel. I would ask the reasons, and it would be said to me: You don't know what innovations they made after you. And I would then also say: Be away.