"He did not desire," as Georg Rollenhagen says in his preface to "Froschmäusler", "to make people laugh without teaching them something; his book was like the old legends and sagas, full of fabulous happenings and incidents, but written so that in them, as in a comedy, there are combined with poetry and imagination the plain, unvarnished, bitter truths of life, worded so as to tell serious things in a jocular manner, with a laugh and a smile.