*Sahih Bukhari (41.598) - Muhammad establishes that slaves are property. They cannot be freed if an owner has outstanding debt, but they can be used to pay off the debt<ref>https://www.thereligionofpeace.com/pages/quran/slavery.aspx</ref> | *Sahih Bukhari (41.598) - Muhammad establishes that slaves are property. They cannot be freed if an owner has outstanding debt, but they can be used to pay off the debt<ref>https://www.thereligionofpeace.com/pages/quran/slavery.aspx</ref> |