Volume 4, Book 56, Number 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.”
Volume 4 – 843 / 1700
SAHIH BUKHARI VOLUME 4 > BOOK 56: VIRTUES AND MERITS OF THE PROPHET (PBUH) AND HIS COMPANIONS