At various periods of his life Nietzsche designated different written and unwritten books of his as his principal work. The composition of some of them never advanced very far, and whilst in the midst of his Transvaluation of all Values, the First Part of which is the A ntichrist, he was forever disabled by an incurable disease. If one has a right to speak of the principal work of a mental life that never reached its goal, but was suddenly crippled in mid-career, the strange fact appears, that N .
