 The Doors of Perception and Heaven and Hell by Aldous Huxley |  Being and Nothingness by Jean-Paul Sartre |  Existentialism Is a Humanism by Jean-Paul Sartre |  The Words by Jean-Paul Sartre |  Nausea by Jean-Paul Sartre |  Civilization and Its Discontents by Sigmund Freud |  Self-Reliance and Other Essays by Ralph Waldo Emerson |  The Doors of Perception by Aldous Huxley |  Man Alone With Himself by Friedrich Nietzsche |  On the Suffering of the World by Arthur Schopenhauer |  On Solitude by Michel de Montaigne |  On Suicide by David Hume |  The Wall by Jean-Paul Sartre |  An Essay Concerning Human Understanding by John Locke |  We Have Only This Life to Live by Jean-Paul Sartre |  Search for a Method by Jean-Paul Sartre |  On Friendship by Michel de Montaigne |  Walden by Henry David Thoreau |  The Art of Worldly Wisdom by Baltasar Gracian |  The Sublime Object of Ideology by Slavoj Zizek |