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