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Nowadays in perhaps five or six heads the idea is dawning that even physics is only an interpretation and explication of the world (for our benefit, if I may be permitted to say so) and not an explanation of the world. But to the extent it rests upon a faith in the senses, it counts for more and must continue to count for more for a long time yet, that is, as an explanation. Physics has eyes and fingers on its side; it has appearance and tangibility on its side. That works magically on an age with basically plebeian taste - persuasively and convincingly - indeed, it follows instinctively the canon of truth of eternally popular sensuality. What is clear, what is "explained"? Only whatever lets itself be seen and felt - every problem has to be pushed that far. By contrast, the reluctance to accept obvious evidence of the senses constituted the magic of the Platonic way of thinking, which was a noble way of thinking - perhaps among human beings who enjoyed even stronger and more discriminating senses than our contemporaries have, but who knew how to experience a higher triumph in remaining master of these senses and to do this by means of the pale, cool, gray, conceptual nets which they threw over the colourful confusion of sense, the rabble of the senses, as Plato called them. That form of enjoyment in overcoming this world and interpreting the world in the manner of Plato was different from the one which today's physicists offer us, as well as the Darwinists and anti-teleologists among the physiological workers, with their principle of the "smallest possible force" and the greatest possible stupidity. "Where human beings have nothing more to look at and to grip, there they have also no more to seek out"- that is, of course, an imperative different from the Platonic one, but nonetheless for a crude, diligent race of mechanics and bridge builders of the future, who have nothing but rough work to do, it might be precisely the right imperative.