Sahih Muslim
The Book Pertaining to the Turmoil and Portents of the Last Hour (Kitab Al-Fitan wa Ashrat As-Saah)
Book Number: 041 / Hadith Number: 6941
Ibn Umar reported that Allah's Messenger (may peace be upon him) came out from the house of 'A'isha and said: It would be from this side that there would appear the height of unbelief, viz. where appear the horns of Satan. i. e. cast.