It is difficult to deal with all the ideas and concepts of a man whose writings span a period of some forty years and which are contained within some twenty-one essays. But the time spent on even a cursory exploration into some of the most important ideas presented in Zeami's later essays is most rewarding to anyone interested in theatre, for they are unique in pointing to the nucleus of his concepts on acting and performance based on his own experience and deep insights as a thinker, actor, director and playwright.