
Ansprache an Medizinstudenten während seines Aufenthalts in Berlin zum Ende des Jahres 1891
Original engl.: "I don't believe there is anything in the whole earth that you can't learn in Berlin except the German language." -Chapter XXI „European Residence“. Mark Twain's Notebook (1935), p.219 archive.org https://archive.org/stream/completeworksofm22twai#page/218/mode/2up/search/berlin
Notebook