Sales and Trade
Bukhari :: Book 3 :: Volume 34 :: Hadith 339
Narrated 'Abdullah bin Zaid:
The Prophet said, "The Prophet Abraham made Mecca a sanctuary, and asked for Allah's blessing in it. I made Medina a sanctuary as Abraham made Mecca a sanctuary and I asked for Allah's Blessing in its measures the Mudd and the Sa as Abraham did for Mecca.