Luigi Pirandello
Daniel Goleman
Charles Darwin
Alfred Adler
Alfred Korzybski
George Herbert Mead
Johann W. von Goethe
Emil Cioran
Luigi Anepeta
Richard Dawkins
Zygmunt Bauman
Friedrich Nietzsche
Sigmund Freud
Erich Fromm
Paul Watzlawick
Giacomo Leopardi
Gregory Bateson
Henri Laborit
Eric Berne
Arthur Schopenhauer
Albert Camus
Edgar Morin
Karl Popper
Sam Harris
Albert Einstein
Luc de Vauvenargues
Bertrand Russell
Hannah Arendt
Carlos Ruiz Zafón
Socrates
Giordano Bruno
Voltaire
Antonio Damasio
William Blake
Gustave Flaubert
Bruno Cancellieri
Charles Sanders Peirce
Antonio Gramsci
Aristotele
Peter Drucker
Winston Churchill
Thomas Mann
Gesualdo Bufalino
Henri Bergson
Franz Kafka
Dalai Lama (Tenzin Gyatso)
Louis-Ferdinand Céline
Arthur Bloch
Ludwig Wittgenstein
Elias Canetti
Alain de Botton
Oscar Wilde
Marcel Proust
Fyodor Dostoevsky
Anacleto Verrecchia
Gabriel Laub
Emily Dickinson
Daniel Dennett
Mario Vassalle
Joseph Joubert
Jean-Paul Sartre
Olivia Dresher
Paul Valéry
Woody Allen
Ambrose Bierce
Robert Sapolsky
Steven Pinker
Luciano De Crescenzo
David Foster Wallace
Karl Kraus
Fernando Pessoa
Ezra Pound
William Shakespeare
Osho Rajneesh
Baruch Spinoza
Baltasar Gracian
Pino Caruso
Hermann Hesse
Antonio Porchia
Walter Di Gemma
Philip Stanhope (Lord Chesterfield)
Umberto Galimberti
George Bernard Shaw
Cesare Pavese
Christian Friedrich Hebbel
Margaret Mead
Karl Marx
David Hume
Carlo Dossi
Charles Bukowski
Jacques Monod
Pier Paolo Pasolini
Seneca
Jiddu Krishnamurti
Carlo Rovelli
Henry Ford
Blaise Pascal
Vilayanur Ramachandran
Giovanni Soriano
Yuval Noah Harari
Stanislaw Lec
Dan Millman
Democrito
Michel de Montaigne
William James
Henri-Frédéric Amiel
George Carlin
Honoré de Balzac
Carl Gustav Jung
Eva Illouz
Ludwig von Bertalanffy
Simone De Beauvoir
René Girard
Groucho Marx
Ralph Waldo Emerson
Mark Twain
Nicolas de Chamfort
Nicolas Gomez Davila
F. de La Rochefoucauld
Gilles Deleuze
Thomas S. Eliot
Ennio Flaiano
Lucrezio Caro