<prompt> Translate the following text to EnglishKlasiki yake imekua kwa ukali kwa miaka mingi, lakini kama toleo la nane linalofuata linavyoonyesha tena, imebaki kweli kwa tabia ya kubadilika ambayo ilizaliwa nayo.  <response>: His classic has thickened gracelessly over the years, but as the forthcoming eighth edition once again shows, it has remained true to the adaptable temperament it was born with. 