Sahih Bukhari
Sahih Bukhari Volume 009, Book 088, Hadith Number 179.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 88. Afflictions and the End of the War
Narrated By Usaid bin Hudair : A man came to the Prophet and said, "O Allah's Apostle! You appointed such-and-such person and you did not appoint me?" The Prophet said, "After me you will see rulers not giving you your right (but you should give them their right) and be patient till you meet me."