Ibn Ishaq محمد بن إسحاق بن يسار‎ · Wages (Kitab Al-Ijarah)

The Messenger of Allah (ﷺ) forbade (taking hire for) a stallion's covering.

I cut the ear of a boy, or he cut my ear (the narrator is doubtful). AbuBakr then came to us to perform hajj and we got together with him. But he referred us to Umar ibn al-Khattab. Umar (ibn al-Khattab) said: This reached the extent of retaliation. Call a cupper to me so that he may retaliate. When the cupper was called, he (Umar) said: I heard the Messenger of Allah (ﷺ) say: I gave a boy to my…

A similar tradition has also been transmitted by Abu Majidah al-Sahmi from 'Umar b. al-Khattab through a different chain of narrators.

The Prophet (ﷺ) said: A townsman must not sell for a man from the desert, even if he is his brother or father. Abu Dawud said: Anas b. Malik said: It was said: A townsman must not sell for a man from the desert. This phrase carries a broad meaning. It means that the (the townsman) must not sell anything for him or buy anything for him.

I saw that during the time of the Messenger of Allah (ﷺ) the people were beaten when they bought grain on the same spot and sold it there without moving it to their houses.

That the Prophet (ﷺ) used to accept a gift and make return for it.