Uthman bin Zufar bin Muzaham عثمان بن زفر بن مزاحم · General Behavior (Kitab Al-Adab)

The tradition mentioned above has also been transmitted by al-A’mash in a similar way to same way to the same effect through a different chain of narrators.

The Prophet (ﷺ) said: Feed those of your slaves who please you from what you eat and clothe them with what you clothe yourselves, but sell those who do not please you and do not punish Allah's creatures.