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."
— Sahih Bukhari, Volume 4, Book 56: Virtues and Merits of the Prophet (pbuh) and his Companions, Hadith #816
