Friedrich Dürrenmatt

"Ich rede Berndeutsch und ich schreibe Deutsch. (...) Ich muss immer wieder die Sprache, die ich rede, verlassen, um eine Sprache zu finden, die ich nicht reden kann, denn wenn ich Deutsch rede, rede ich es mit einem berndeutschen Akzent. (...) Es gibt Kritiker, die mir vorwerfen, man spüre in meinem Deutsch das Berndeutsche. Ich hoffe, dass man es spürt. Ich schreibe ein Deutsch, das auf dem Boden des Berndeutschen gewachsen ist."


"I am talking in Bernese German and I am writing in German. (...) Again and again I have to leave the language I speak to find a language I cannot speak, because when I am speaking German, I am speaking it with a Bernese German accent. (...) There are reviewers who accuse me of writing in a German in which the Bernese German is perceptible. I do hope it is perceptible. I am writing in a German that is grown on the Bernese German soil."

Friedrich Dürrenmatt, the famous Swiss author, describes what you may find in the writing of many authors using German as their written language. If you have become sensitive for Germanic languages it will be visible even in some poems from Johann Wolfgang von Goethe, in which the verses only rhyme when you speak them Hessian. 

Writing on the basis of his language root enriches Dürrenmatt's flawless German. It is part of his very personal style to describe and express thoughts and emotions. Not diminishing any of his genius I think anyone  has to find his own language for expressing himself, whether for daily needs or for big literature. The regional idiom is the best basis from which an individuum can develop.

Links for Bernese German:

http://userweb.port.ac.uk/~joyce1/dialects/obbern.html