Contemporary philosophy suffers from a morbid belief in Kant. To help towards our emancipation from this belief is the aim of the present essay. It would indeed be criminal to try and minimise the debt which the development of German philosophy owes to Kant's immortal work. But it is high time to acknowledge that the only way of laying the foundations for a truly satisfying view of the world and of human life is to put ourselves in decisive opposition to the spirit of Kant. What is it that Kant has achieved? He has shown that the transcendent ground of the world which lies beyond the data of our senses and the categories of our reason, and which his predecessors sought to determine by means of empty concepts, is inaccessible to our knowledge. From this he concluded that all our scientific thinking must keep within the limits of possible experience, and is incapable of attaining to knowledge of the transcendent and ultimate ground of the world, i.e., of the "thing-in-itself." But what if this "thing-in-itself," this whole transcendent ground of the world, should be nothing but a fiction? It is easy to see that this is precisely what it is. An instinct inseparable from human nature impels us to search for the innermost essence of things, for their ultimate principles. It is the basis of all scientific enquiry. But, there is not the least reason to look for this ultimate ground outside the world of our senses and of our spirit, unless a thorough and comprehensive examination of this world should reveal within it elements which point unmistakably to an external cause.