That he heard Allah's Messenger (ﷺ) saying, If a judge gives a verdict according to the best of his knowledge and his verdict is correct (i.e. agrees with Allah and His Apostle's verdict) he will receive a double reward, and if he gives a verdict according to the best of his knowledge and his verdict is wrong, (i.e. against that of Allah and His Apostle) even then he will get a reward .

':'Telah menceritakan kepada kami Abdullah bin Yazid almuqri' almakki telah menceritakan kepada kami Haiwa bin Syuraikh telah menceritakan kepadaku Yazid bin Abdullah bin Al Had dari Muhammad bin Ibrahim bin Alharits dari Busr bin Sa'id dari Abu Qais mantan budak Amru bin 'Ash dari 'Amru bin 'ash ia mendengar Rasulullah shallallahu 'alaihi wasallam bersabda: 'Jika seorang hakim mengadili dan berijtihad kemudian ijtihadnya benar maka ia mendapat dua pahala dan jika seorang hakim berijtihad lantas ijtihadnya salah (meleset) baginya dua pahala.' Kata 'Amru 'Maka aku ceritakan hadis ini kepada Abu Bakar bin Amru bin Hazm dan ia berkata 'Beginilah Abu Salamah bin Abdurrahman mengabarkan kepadaku dari Abu Hurairah. Dan Abdul 'Aziz bin Al Muththalib dari Abdullah bin Abu Bakar dari Abu Salamah dari Nabi shallallahu 'alaihi wasallam Shallallahu'alaihiwa sallam semisalnya.''