Thesis (Ph.D.)--Boston University / This dissertation is a prolegomenon to the study of (1) the early philosophy of Horatio Willis Dresser (1866-1954) as it relates to New Thought and (2) the philosophical foundations of New Thought as they relate to Dresser. New Thought is a philosophical-religious movement which originated in the United States in the nineteenth century. While it seeks to provide a complete approach to life, its primary field of emphasis has been healing by nonphysical means. New Thought's background is provided by the ancient tradition tradition of religious healing, American philosophy largely of the nineteenth century, and speculation inspired by phenomena produced by mesmerism, also known as animal magnetism [TRUNCATED]