 Plato and Aristotle presented some lists of emotions, the most extensive being in Aristotle’s Rhetoric II.1–11 (cf. Plato, Timaeus 69d; Laws I.644c-d; Aristotle, Nicomachean ethics II.5, 1005b21–23), but they did not develop any systematic taxonomy of emotions except considering some as the affects of the appetitive part and some of the irascible part. Because of the feeling aspect always being associated with an emotional representation, Aristotle sometimes distinguished emotions on the basis of whether the emotional evaluation was pleasant or unpleasant; see also Aspasius’ commentary on the Nicomachean Ethics (41.28–43.32). The first elaborated taxonomy was put forward by the Stoics, who divided emotions into four basic types, depending on whether the object was regarded as a present or future good or a present or future evil: