Full Idea
A life of pure pleasure with no intellect is not the life of a human being, but the life of a jellyfish.
Gist of Idea
A life of pure pleasure with no intellect is the life of a jellyfish
Source
Plato (Philebus [c.354 BCE], 21c)
Book Reference
Plato: 'Philebus', ed/tr. Waterfield,Robin [Penguin 1982], p.68