The renewal of preaching in the medieval era is traced to the rise of the crusades, the monasteries, and the scholastics. Bernard combined the enthusiasm of crusade rhetoric with the ascetic lifestyle of the monk and reflected a scholastic influence through his struggle with Abelard. His fiery eloquence was powerful enough to make an impression even on those who did not understand his language. Unusually gifted, he was a master of the art of public speaking.