 Locke's seminal essay in value theory, “Values and Imperatives” is as ambitious in its aims as it is pioneering. In it Locke states what he takes to be the central problem for axiology; details the reasons for the failure of American philosophy, particularly pragmatism, to make anything more than a minimal contribution to the development of the philosophical study of values; argues that values are primarily rooted in human attitudes; and provides an elaborate theoretical account of value formation and the functional role of values. A value, according to Locke, is “an emotionally mediated form of experience.” Locke issues the following warning: 