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