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: 6984
Abdullah b. 'Umar reported that Allah's Messenger (may peace be upon him) said: The Jews will fight against you and you will gain victory over them until the stone would say: Muslim, here is a Jew behind me; kill him.