The „Poétái harmonisztika" („Poetic Harmony") is perhaps the most important and the least understandable of the small number of Berzsenyi's theoretical works. This paper makes an attempt to clear the meaning of „mimesis" this problem being among the central ones of the work. Berzsenyi's usage of the term is only seemingly Aristotelian. He stands firmly on the ground of 18th century Classicism but his views are coloured by Platonism and by Romantic German thought as well. On account of his highly individual word-usage he becomes shaotic and even unintelligible sometimes. Nevertheless, it can be detected that his most important categories are „beauty" and „love", identified in their turn with nature, with poetry, with the poetic human soul an...