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