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