Ajahn Chah, Alfred Adler, Aristoteles, Augustinus, Francis Bacon, Basho, Charles Baudelaire, Buddha, Albert Camus, Thomas Carlyle, Alexis Carrel, Charlie Chaplin, Winston Churchill, Cicero, Matthias Claudius, Samuel Coleridge, Dalai Lama, Demokrit, Demosthenes, René Descartes, John Dewey, Charles Dickens, Albert Einstein, Epiktet, Epikur, Erasmus von Rotterdam, William Faulkner, Theodor Fontane, Anatole France, Sigmund Freud, Mahatma Gandhi, Julien Green, Friedrich Hebbel, Friedrich Hegel, Heraklit, Hermann Hesse, Friedrich Hölderlin, Horaz, Aldous Huxley, Henrik Ibsen, William James, Karl Jaspers, Jefferson, Joseph Joubert, Carl Gustav Jung, Justinian, Juvenal, Franz Kafka, Immanuel Kant, Katharina von Siena, Søren Kierkegaard, Ephraim Kishon, Konfuzius, Krishnamurti, Laotse, Georg Christoph Lichtenberg, Sri Nisargadatta Maharaj, Nelson Mandela, Marc Aurel, Marcuse, George Marshall, Somerset Maugham, Meister Eckhard, Montesquieu, Prentice Mulford, Robert Musil, Friedrich Nietzsche, Osho, Blaise Pascal, Max Planck, Platon, Quintilian, Rainer Maria Rilke, Jean Jacques Rousseau, Jalal al-Din Rumi, John Ruskin, Sallust, Jean-Paul Sartre, Arthur Schopenhauer, Seneca, Sokrates, Sophokles, Sun Tzu, Tacitus, Tal-Po, Tagore, Thoreau, Tolstoi, Kurt Tucholsky, Leonardo da Vinci, Voltaire, Hoffmann von Fallersleben, Ernst von Feuchtersleben, Johann Wolfgang von Goethe, Wilhelm von Humboldt, Heinrich von Kleist, Freiherr von Knigge, Stefan Zweig.