Hammad bin Zayd حماد بن زيد بن درهم الأزدي الأزرق · The Chapters on Business Transactions

the Prophet (ﷺ) forbade the deal involving earnest money .

"When captives were brought to him, the Prophet (ﷺ) would give the members of one family together (to one person), not wanting to separate them."

"The Messenger of Allah (ﷺ) gave me two slaves who were brothers, and I sold one of them. He said: 'What happened with the two slaves?' I said: 'I sold one of them.' He said: 'Take him back."'

"When I was a boy, I used to throw stones at our date-palm trees" - or he said: "the date-palm trees of the Ansar." I was brought to the Prophet (ﷺ) and he said: 'O boy' - (one of the narrators) Ibn Kasib said: He said: 'O my son - why are you throwing stones at the date-palm trees?' I said: 'So I can eat.' He said: 'Do not throw stones at the date-palm trees. Eat from what falls to…

"When you come to a shepherd, call him three times. If he answers (all well and good), otherwise drink (milk from the flock) without taking advantage. And when you come to a garden call the owner of the garden three times. If he answers (all well and good), otherwise eat (from the produce of the garden) without taking advantage."