The Joyous ScienceNew to Penguin Classics, The Joyous Science is Nietzsche's most personal book and one of his best The Joyous Science is a liberating voyage of discovery as Nietzsche's realization that 'God is dead' and his critique of morality, the arts and modernity give way to an exhilarating doctrine of self emancipation and the concept of eternal recurrence. Here is Nietzsche at his most personal and affirmative; in his words, this is a book of 'exuberance,