Claudius Aelianus
The Cyrenaics were a school of philosophy established by Aristippus of Cyrene (c. 435 – c. 356 BCE). The school asserted that the only good is positive pleasure, and pain is the only evil. They posit that all feeling is momentary so all past and future pleasure have no real existence for an individual, and that among present pleasures there is no distinction of kind. Claudius Aelianus, in his "Historical Miscellany", writes about Aristippus: