According to Wikipedia, “Ralph Waldo Emerson (May 25, 1803 – April 27, 1882), who went by his middle name Waldo, was an American essayist, lecturer, philosopher, abolitionist and poet who led the transcendentalist movement of the mid-19th century. He was seen as a champion of individualism and a prescient critic of the countervailing pressures of society, and he disseminated his thoughts through dozens of published essays and more than 1,500 public lectures across the United States.”
Emerson is important for the study of Metaphysical religion and New Thought because his writings inspired the principal founders of the New Thought denominations. Emerson scholar Richard Geldard in “Emerson and His Company” in The Spiritual Writings of Ralph Waldo Emerson has said that “Emerson was a student of the mind.” New Thought and it's teachers looked to the Platonic teachings of Emerson in their understanding of modern day Metaphysics.
Emerson’s interest in Platonism began with his reading of translations of Plato by Thomas Taylor. Taylor’s translation of the works of Plato were read by Emerson and other spiritual writers in America. In Plato and later Platonic writers, Emerson found his teacher, someone who could guide Emerson’s spiritual understanding. Geldard writes, “It was through Taylor’s work that Emerson, beginning with his first serious reading in 1826, was to find his intellectual ground, his place to stand.”
By the age of thirty Ralph Waldo Emerson had become a well-respected Unitarian minister in Boston. Broken hearted after the death of his young wife and disillusioned with the cold beliefs of the Unitarianism of his day, he resigned the ministry, sold most of his belongings and sailed for Europe in 1832. He achieved a spiritual rebirth of sort from two discoveries made in his European visit. When visiting the Museum of Natural History in Paris and contemplating the variety and majesty of biological life he saw there, he began looking to nature for truth, rather than the doctrines of revealed religion. When he visited Thomas Carlyle in Scotland, who introduced him to the work of the German transcendentalists, he found a new grounding for his spirituality in Neoplatonism and he began to rely on the inner process of intuition for the source of truth, rather than the rationalism of the Enlightenment. Free from the doctrines of Christianity and the dead rationalism of the Enlightenment, he returned to Boston and delivered three pieces which would complete America's independence from Europe and give birth to the American Renaissance.
The World as a grand, benevolent paradise
In 1836 he wrote a book of essays called Nature, which would provide the basis for the Transcendentalist view of the world as being a grand, benevolent paradise, free from the arbitrary dictates of God taught by the church but also free of the distant rationalism of Enlightenment thinkers. In Nature he was free to lose himself, become free of all egoistic character and to become a “giant eyeball” observing as nature flowed through him. Nature became the manifest for Thoreau and the small band of writers centered in Concord who would become known as the Transcendentalists.
Man as Free Thinker
In August 1837 Emerson delivered a speech entitled The American Scholar to the Phi Beta Kappa Society at Harvard in which he called for a higher use of the mind and thinking capacity. Freedom is achieved by the willingness to reject old concepts and to explore for oneself the veracity of all claims. This speech, which Oliver Wendell Holmes, Sr. declared to be America's “intellectual declaration of independence,” can be said to be New Thought's basis for pure individual discovery of truth, free from revealed religion and doctrinal theology.
The Divinity of Man
In July 1838 Emerson delivered the the commencement address to Harvard Divinity School, known as The Divinity School Address. The opening paragraphs of this speech were more than controversial. They were in fact incendiary, challenging the supernatural character of Jesus and his miracles, critiquing the dead, dry, rationalist preaching of the day and, most important, raising the status of human beings to divine status.
Emerson was essential to the development of New Thought. Marcus Bach says that Charles Fillmore read Emerson endlessly, attempting to understand why metaphysical religion worked (:18). Tom Shepherd once shared with me that one can't really understand Unity without understanding Emerson and Transcendentalism. All the wisdom of the antecedents of New Thought were channeled in some form through Emerson and, combined with the unique contributions of their new appreciation of Nature, they provide the philosophical basis for New Thought thinking.