Sahih Bukhari Volume 008, Book 082, Hadith Number 800A.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 82. Punishment of Disbelievers at War with Allah and his Apostle
Narrated By Anas : I will narrate to you a narration which nobody will narrate to you after me. I heard that form the Prophet. I heard the Prophet saying, "The Hour sill not be established" or said: "From among the portents of the Hour is that the religious knowledge will be taken away (by the death of religious Scholars) and general ignorance (of religion) will appear; and the drinking of alcoholic drinks will be very common, and (open) illegal sexual intercourse will prevail, and men will decrease in number while women will increase so much so that, for fifty women there will only be one man to look after them."