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