Platone
Simone Weil
Alexander G. Baumgarten
Giovanni Reale
Pseudo-Aristotele
Sinesio di Cerene
Blaise Pascal
Lucio Anneo Seneca
George Edward Moore
Huìnéng
Plutarco
Charles-Louis de Montesquieu
Friedrich Nietzsche
Osho
Johann Gottfried Herder
Ernst Cassirer
Martin Heidegger
Eihei Dōgen
Eric Weiner
Confucio
Michel de Montaigne
Denis Diderot
Benedictus de Spinoza
Stefano Ercolino, Massimo Fusillo