"By far the most profound thinker of the 19th century" --Ludwig Wittgenstein "Kierkegaard's great contribution to Western philosophy was to assert, or to reassert with Romantic urgency, that, subjectively speaking, each existence is the center of the universe." --John Updike, The New Yorker Harper Perennial Modern Classics presents the rediscovered spiritual writings of S ren Kierkegaard, edited and translated...