Holding Fast to the Qur'an and Sunnah
Bukhari :: Book 9 :: Volume 92 :: Hadith 430
Narrated As-Sa'ib bin Yazid:
The Sa' (a kind of measure) during the lifetime of the Prophet used to be equal to the one Mudd (another kind of measure) and one third of a Mudd which we use today, but the Sa' of today has become large.
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