This first of twelve volumes of works by the great nineteenth-century orator and freethinker is comprised of lectures, including "The Gods" (a logical critique of religion), "Humboldt," "Thomas Paine," "Individuality," "Heretics and Heresies," "The Ghosts," "The Liberty of Man, Woman, and Child," "About Farming in Illinois," and "What Must We Do to be Saved?"