Today there is a rapid development of technology. Thanks to the development of science, we know more and more about the world and about ourselves. The most tempting and promising frontiers of science of the 21st century demonstrate to us amazing models of the real and the possible, which cannot be explained materialistically. At the same time, we have completely new tools with which we can explore the nature of the relationship between our mind - our consciousness, our "I" - and our brain. What is known about the connection between mind and brain today? Is there still a place for spiritual reality, mysticism and mystery in the modern world?