Apparently, he was one of Stoic Greek philosophers, and those who wanted to indulge in gluttony and sloth were not amused. Brad Pilon used that quote. Another:

If one oversteps the bounds of moderation, the greatest pleasures cease to please.-Epictetus

"I don't like the way it makes me feel. Why SHOULD I eat it?" That's my answer. It's difficult to argue another person's reaction to a food, or any nutritional value in corn. (Except the butter and salt I use to slather on it, mmm)