D'Alembert's Preliminary Discourse, a once‐influential eighteenth‐century consideration of the utility of the humanities, is relevant to contemporary concerns about the declining importance of humanistic education. A sympathetic appraisal of d'Alembert's critique of humanistic erudition as largely useless can serve as a starting point for reconceiving of the humanities as studies that help train the professionals who administer the institutions of modern society to better understand their own commitments.