in the question

What did the Prophet Muhammad (saw) say about the death of Khosrau and Caesar?
 Narrated Jabir bin Samura:                     The Prophet said, "When Khosrau perishes, there will be no more Khosrau a after him, and when Caesar perishes, there will be no more Caesar after him," The Prophet also said, "You will spend the treasures of both of them in Allah's Cause."