"The same could not be said for Arthur Schopenhauer (1788-1860), who was a colleague of Hegel’s at the University of Berlin and said that Hegel was, “dishing out pure nonsense, slapping together senseless raving tangles of verbiage such as had only ever been heard in a lunatic asylum” (The World as Will and Representation, p.456)." https://philosophynow.org/issues/140/GWF_Hegel_An_Introduction