Full Idea
The wise prefer the good to the pleasant; the foolish, driven by fleshly desires, prefer the pleasant ot the good.
Gist of Idea
The wise prefer good to pleasure; the foolish are drawn to pleasure by desire
Source
Anon (Upan) (The Upanishads [c.950 BCE], 'Katha')
Book Reference
'The Upanishads', ed/tr. Prabhavananda /Manchester [Mentor 1957], p.16
A Reaction
If you consider appropriate diet, this is too obvious to be worth saying. The complication is that it is doubtful whether a life without pleasure is wholly good, and even the pleasure of food is not bad. Of two good foods, prefer the pleasant one.