Sahih Muslim
7327
Abu Huraira reported that Allah's Messenger ( صلی اللہ علیہ وسلم ) said:
Kisra (Khusrau king of Persia) would die and Qaisar (Ceasar King of Rome) would die; there would be no Qaisar after him, but, by the One in Whose Hand is my life, you..
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