Full Idea
Plato says the life of pleasure is more desirable with the addition of intelligence, and if the combination is better, pleasure is not the good.
Gist of Idea
Pleasure is better with the addition of intelligence, so pleasure is not the good
Source
report of Plato (works [c.375 BCE]) by Aristotle - Nicomachean Ethics 1172b27
Book Reference
Aristotle: 'Ethics (Nicomachean)', ed/tr. ThomsonJ A K/TredennickH [Penguin 1976], p.314
A Reaction
It is obvious why we like pleasure, but not why intelligence makes it 'better'. Maybe it is just because we enjoy intelligence?