Wijsbegeerte, Moraliteit, Filosofie, Socrates, Plato, Aristoteles, Epicurus, Augustinus, Thomas van Aquino, Machiavelli, Luther, Calvijn, Michel de Montaigne, Coornhert, Loyola, Descartes, Hobbes, Bruno, Giordano, Pascal, Blaise, Spinoza, Shaftesbury, Toland, John, Mandeville, Hume, Schopenhauer, Schiller, Friedrich von, Goethe, Lessing, Herbart, Schleiermacher, Beneke, Herbert Spencer, Peter Kropotkin, Friedrich Nietzsche, Karl Marx, Emile Dürkheim, Henri Bergson, Kant