The following article is an attempt to demonstrate Dostoyevsky’s philosophy of man. In this framework two categories seems most important: ambivalence and mystery. The picture of a man in Dostoyevsky’s novels is full of ambiguities, contradictories, paradoxes and – seeming – lack of logical senses. There is no total definition of a man, because he’s a big enigma. A man is not a monolith, he contains full of different existential and psychological areas. A man doesn’t have any ontological score, which would can to name and to determine him – particular, to name and to determine him unambiguously and permanently. An existence is a task. Can this diversity in a man integrated? Can the mystery of a man illuminate? It seems that Dostoyevsky sees...