 Consider the first of these. Which things are intrinsically good or bad for us is a controversial matter , but many theorists deny that the list is limited to pleasure and pain. (For further discussion, see the entry on Intrinsic Goodness, the entry on Preferences, and “What Makes Someone's Life Go Best,” Parfit 1984, pp. 493–502.) Adding more things to the list can undermine the Epicurean argument.