Fiodor Dostoyevsky in his oeuvre indicates certain attitudes, which are often recognized in the process of man's thinking and behavior. They are conditioned by the manner he perceives reality and they in themselves appoint simultaneously this way of world perception. Some of those occurrences resemble in a great manner the defense mechanisms, which are described in the later literature. A first mechanism that was analyzed is pursue simplification, which causes a man to believe that thanks to the achieved knowledge he will be able to set in order and fix imperfect reality. Such attitude enforces simplified vision of the world, which in turn helps in self-deception. Dostoyevsky's heroes have problems to recognize true motives of their ...