Hume: An Enquiry Conc Human UnderstDavid Hume's An Enquiry Concerning Human Understanding, first published in 1748, is a concise statement of Hume's central philosophical positions. It develops an account of human mental functioning which emphasizes the limits of human knowledge and the extent of our reliance on (non rational) mental habits. It then applies that account to questions of free will and religious knowledge before closing with a defence of moderate scepticism. This volume,