DAVID HUME'S greatness was recognized in his own time, as it is today, but the writings that made Hume famous are not, by and large, the same ones that support his reputation now. Leaving aside his Enquiries, which were widely read then as now, Hume is known today chiefly through his Treatise of Human Nature and his Dialogues Concerning Natural Religion. The Treatise was scarcely read at all during Hume's lifetime, however, and the Dialogues was not published until after his death. Conversely, most readers today pay little attention to Hume's various books of essays and to his History of England, but these are the works that were read avidly...