Revered for his contributions to empiricism, skepticism, and ethics, David Hume remains one of the most important figures in the history of Western philosophy. His first and broadest work, A Treatise of Human Nature (1739 40), comprises three volumes, concerning the understanding, the passions, and morals. He develops a naturalist and empiricist program, illustrating that the mind operates through the association of impressions and ideas. This companion features essays by leading scholars that evaluate the philosophical content of the arguments in Hume's Treatise while considering their...