Alfred the Great necessary, that each man keep carefully his oath and his pledge" which expresses a fundamental tenet of Anglo-Saxon law. Alfred devoted considerable attention and thought to judicial matters. Asser underscores his concern for judicial fairness. Alfred, according to Asser, insisted upon reviewing contested judgments made by his ealdormen and reeves and "would carefully look into nearly all the judgements which were passed [issued] in his absence anywhere in the realm to see whether they were just or unjust". A charter from the reign of his son Edward the Elder depicts Alfred as hearing one such appeal in his chamber while
Alfred the Great of the liberal arts". He recruited scholars from the Continent and from Britain to aid in the revival of Christian learning in Wessex and to provide the king personal instruction. Grimbald and John the Saxon came from Francia; Plegmund (whom Alfred appointed archbishop of Canterbury in 890), Bishop Werferth of Worcester, Æthelstan, and the royal chaplains Werwulf, from Mercia; and Asser, from St David's in southwestern Wales. Alfred's educational ambitions seem to have extended beyond the establishment of a court school. Believing that without Christian wisdom there can be neither prosperity nor success in war, Alfred aimed "to set to