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: 6964
Abu Sa'id and Jabir b. Abdullah reported that Allah's Messenger (may peace be upon him) said: There would be in the last phase of the time a caliph who would distribute wealth but would not count.