Abu Huraira reported that Allah's Messenger (ﷺ) said:
(Khusrau king of Persia) would die and Qaisar (Ceasar King of Rome) would die; there would be no Qaisar after him, but, by one in Whose Hand is my life, you would spend their treasures in the cause of Allah.
Reference: Sahih Muslim 2918 a In-book : Book 54, Hadith 93 USC-MSA web (English) : Book 41, Hadith 6973 (deprecated)
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