so let justice and fairness in reward and punishment be the judge between you and your brothers. whoever you put forward from them put him forward on merit and on the basis of the soundness of his intention in his affection and the sincerity of his advice to you based on what you have tested of his morals and character and you know from your experience with him that he knows that his righteousness is connected to your righteousness and his faults are with your faults so delegate.
فاجعل العدل والنصفة في الثواب والعقاب حاكما بينك وبين إخوانك، فمن قدمت منهم فقدمه على الاستحقاق، وبصحة النية في مودته، وخلوص نصيحته لك مما قد بلوت من أخلاقه وشيمه، وعلمت بتجربتك له، أنه يعلم أن صلاحه موصول بصلاحك، وعطبه كائن مع عطبك، ففوض