Narrated Abu Huraira: Allah's Apostle said, "When Khosrau perishes, there will be no (more) Khosrau after him, and when Caesar perishes, there will be no more Caesar after him. By Him in Whose Hands Muhammad's life is, 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 #815
Narrated Abu Huraira: Allah's Apostle said, "When Khosrau perishes, there will be no (more) Khosrau after him, and when Caesar perishes, there will be no more Caesar after him. By Him in Whose Hands Muhammad's life is, you will spend the treasures of both of them in Allah's Cause."
This hadith is from the book of Virtues and Merits of the Prophet (pbuh) and his Companions in Sahih Bukhari, compiled by Imam al-Bukhari. It is hadith number 815 in book 56 of volume 4.
