In Natural Theology, William Paley set out to prove the existence of God from the evidence of the beauty and order of the natural world. Famously beginning aby comparing the world to a watch, whose design is self-evident, he goes on to provide examples from biology, anatomy, and astronomy in order to demonstrate the intricacy and ingenuity of design that could only come from a wise and benevolent deity. This new edition, which coincides with the bicentennial of Paley