Egon Spengler is not so much ashamed as "strongly" considers irrelevant, mainly because he sees science as relevant. Spengler's faith in science was also tested in one episode where the Ghostbusters get abducted to the ghost world by the ghost of Al Capone. Spengler's scientific equipment fails until he is told by former capos of Capone (who aid the Ghostbusters in revenge for Capone double-crossing them) that only magic can harm ghosts in the ghost world as opposed to science harming ghosts in the human world, thus forcing Spengler to accept the wizardry methods of his ancestors to defeat Capone. He is
Oswald Spengler while Karl Popper called the thesis "pointless". The great historian of antiquity Eduard Meyer thought highly of Spengler, although he also had some criticisms of him. Spengler's obscurity, intuitionalism, and mysticism were easy targets, especially for the Positivists and neo-Kantians who rejected the possibility that there was meaning in world history. The critic and aesthete Count Harry Kessler thought him unoriginal and rather inane, especially in regard to his opinion on Nietzsche. Ludwig Wittgenstein, however, shared Spengler's cultural pessimism. Spengler's work became an important foundation for the social cycle theory. In late 1919, Spengler published "Prussianism and Socialism" ("Preußentum und