Harvey Spencer Lewis, Cecil A. Poole, Mahatma Gandhi, Meister Eckhart, Louis Claude de Saint-Martin, Ralph M. Lewis, Albert Einstein, Marcus Aurelius & Martin Luther King Jr.
Marcus Aurelius, Miyamoto Musashi, Ralph Waldo Emerson, Friedrich Nietzsche, Søren Kierkegaard, Sun Tzu, Epictetus, Confucius, Plato, Lucretius & Seneca