Emerson describes the existence & nature of the human soul, the relationship between the ego & the soul, the relation between God & the soul, reaching back to all of Western thought starting with Socrates & Plato.
Marcus Aurelius, Sun Tzu, Friedrich Nietzsche, Plato, Ralph Waldo Emerson, Seneca, Epictetus, Aristotle, Confucius, Søren Kierkegaard, Lucretius, James Allen, Miyamoto Musashi & Tim Zengerink
Marcus Aurelius, Miyamoto Musashi, Ralph Waldo Emerson, Friedrich Nietzsche, Søren Kierkegaard, Sun Tzu, Epictetus, Confucius, Plato, Lucretius & Seneca