In the study of morality particular statements often come closer to the truth than generalizations. This is because human behavior is made up of many individual actions, with all of which any theory of human behavior must harmonize. In view of this we will now briefly illustrate the doctrine of the mean by reference to specific areas of feeling and action. All virtues and vices mentioned in the survey that follows will be discussed more fully later on.
At this point in his lecture Aristotle used a chart (not included here) on which the moral virtues and vices were diagrammed.