Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) said: By the One besides whom there is no god! "Allah Almighty divided this fay' (spoils gained without fighting) through the tongue of the Prophet (peace and blessings be upon him) before Persia and Rome were conquered."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 8919