books.google.com.sa - This volume focuses on how legitimate leadership came to be defined in the formative period of Islam in terms of two key Qur'anic concepts: moral excellence ("fa?l/fa la") and precedence ("s?biqa"). These two concepts undergirded a specific discourse on leadership which developed in the first century...http://books.google.com.sa/books/about/Excellence_and_Precedence.html?hl=ar&id=OvB6lbYcAqIC&utm_source=gb-gplus-shareExcellence and Precedence
