Aristotle's writings are already Cliffs notes; they're basically lecture notes as it is. That said, Aristotle and Epictetus differed pretty significantly on th

Aristotle's writings are already Cliffs notes; they're basically lecture notes as it is. That said, Aristotle and Epictetus differed pretty significantly on the question of what constitutes happiness (this English word doesn't really capture the full sense of the Greek well), which is the core question of the ethics.