Introduces philosophy through core ideas of the seventeenth and eighteenth centuries, examining Enlightenment-era controversies such as: What are the foundations of scientific thinking? How does sense perception contribute to knowledge? How do we explain the movement of bodies in the natural world? What, if anything, is God�s role in nature? How do societies form, and how should they be governed? Are human beings free? If so, how is human freedom compatible with political authority?