American essayist, philosopher and poet Ralph Waldo Emerson (1803 - 1882) lead Transcendentalism in the early nineteenth century and greatly influenced the later New Thought movement. Summing up his work, Emerson said that his primary principle was "e;the infinitude of the private man"e;, and advised to "e;make the most of yourself, for that is all there is of you."e; His First Ser...