and limits; each of them presupposeth many necessary things learned in other sciences and known beforehand. He that should take upon him to teach men how to be eloquent in pleading causes, must needs deliver unto them whatsoever precepts are requisite unto that end; otherwise he doth not the thing which he taketh upon him. Seeing then no man can plead eloquently unless he be able first to speak; it followeth that ability of speech is in this case a thing most necessary. Notwithstanding every man