Oaths and Vows

Bukhari :: Book 8 :: Volume 78 :: Hadith 625

Narrated Jabir bin Samura:

The Prophet said, "If Caesar is ruined, there will be no Caesar after him; and if Khosrau is ruined, there will be no Khosrau, after him; and, by Him in Whose Hand my soul is, surely you will spend their treasures in Allah's Cause."