He disputed with a man among Ansar who had been present at Badr with the Messenger of Allah angry, he gave Az-Zubair his rights in full, as stated clearly in his ruling. Az-Zubair said: "I think that this Verse was revealed concerning this matter: 'But no, by your Lord, they can have no faith, until they make you (O Muhammad) judge in all disputes between them.'"
Sunan an-Nasa'i Book 49, Hadith 29
← Previous Hadith "My father wrote to 'Ubaidullah bin Abi Bakrah - who was the judge of Sijistan - saying: 'Do not pass judgment between two people when you are angry, for I heard the Messenger of Allah say: No one should pass judgment between two people when he is angry.'"

Sunan an-Nasa'i Book 49, Hadith 28 Next Hadith → He asked Ibn Abi Hadrad to pay off a debt that he owed him. Their voices grew so loud that the Messenger of Allah heard them when he was inside his house. He came out to them, drew back the curtain of his room and called out: "O Ka'b!" He said: "Here I am, O Messenger of Allah." He said: "Drop his debt to half." He said: "I will do that." He said (to the debtor): "Go and pay it off."

Sunan an-Nasa'i Book 49, Hadith 30