 Thus, although attributions of mental states can in some sense explain behavior by permitting an observer to “interpret” it as making sense, they should not be expected to denote entities that figure in empirical generalizations, either common sense or scientific. (This is not to say, these theorists stress, that there are no causes, or empirical laws of, behavior. These, however, will be expressible only in the vocabularies of the neurosciences, or other lower-level sciences, and not as relations among beliefs, desires and behavior.)