  As just suggested, philosophers who complain that an action-based theory of desire fails to distinguish judgments of goodness from desire sometimes suggest that pleasure is the key to this distinction. According to these philosophers, a person moved by a desire always enjoys what is desired, or eagerly anticipates the desire's satisfaction, whereas a person moved only by a judgment of goodness does not share these feelings (Schueler 1995; Vadas 1984; see also Davis 1986). Insofar as this seems right, there is reason to try out a theory of desire according to which dispositions to pleasure (and displeasure) are all there is to desire. Perhaps desires only contingently move us to action, but necessarily give rise to certain feelings. A simple version of this theory holds: