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