This is a sweeping and provocative work of aesthetic theory: a trenchant critique of the philosophy of art as it developed from the eighteenth century to the early twentieth century, combined with a carefully reasoned plea for a new and more flexible approach to art. Jean-Marie Schaeffer, one of France's leading aestheticians, explores the writings of Kant, Schlegel, Novalis, Hegel, Schopenhauer, Nietzsche, and Heidegger to show that these diverse thinkers shared a common approach to art, which he calls the 'speculative theory.' According to this theory, art offers a special kind of intuitive, quasi-mystical knowledge, radically different from the rational knowledge acquired by science. This view encouraged theorists to consider artistic geniuses the high-priests of humanity, creators of works that reveal the invisible essence of the world. Philosophers came to regard inexpressibility as the aim of art, refused to consider second-tier creations genuine art, and helped to create