Aristotle, and W. Rhys Roberts. Rhetoric. Mineola, NY: Dover, 2004. Kindle Electronic Edition.
Book II, chapter 4.
Having discussed anger and calm, Aristotle turns to the ideas of friendship and enmity. What induces those feelings, toward what people, and why? (Aristotle II.4, B 1381a) “We may describe friendly feeling towards any one as wishing for him what you believe to be good things, not for your own sake but for his, and being inclined, so far as you can, to bring these things about” (Aristotle II.4, B 1381a). Friends have a reciprocity of those friendly attitudes. He lists a broad variety of qualities we associate with friendship, such as agreement, having mutual goals, and being trustworthy. After having discussed friendship, Aristotle states that the opposite is enmity or hatred and is caused by the opposites of the causes of friendship (Aristotle II.4, B 1382a).