Abdullah ibn al-Zubayr · The Book of the Etiquette of Judges

"There was a time when we did not pass so many judgments, but now that time is over. Now Allah, the Mighty and Sublime, has decreed that we reach a time when, as you see, (we are asked to pass many judgments). Whoever among you is asked to pass a judgment after this day, let him pass judgment according to what is in the Book of Allah. If he is faced with a matter that is not mentioned in the…

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.'"