sentences:  Philebus, who advocates the life of physical pleasure (hedonism), hardly participates, and his position is instead defended by Protarchus, who learnt argumentation from Sophists.Socrates proposes there are "higher pleasures" (such as those of the mind) as well as lower ones, and asks if the best life isn't one that optimally mixes both.Manuscripts of the work give it the subtitle ""peri hēdonēs, ēthikos"" ("ethics/moral concerning pleasure") implying that its topic is "concerning pleasure" and it is a work on ethics — that is, the question of what way of life is best.