Over the years, Esperanto enthusiasts have grown thick skins. Ever since a Polish Jew invented the language in 1887 in the hopes of fostering a cross-cultural community, cynics have mocked it as an ...

The first remark many sceptics make about Esperanto is that it is not “useful” the way other, allegedly more “important” languages are. A politically left-leaning sceptic may wonder, if he or she ...