God is a fantasy of believers, an illusion of the brain? Is mystical experience the fruit of self-hypnosis, a mental pathology? Is the mind a banal biochemical process? Is the search for meaning in life a primitive coping mechanism? Is the soul just a successful poetic image? Is there really no scientific evidence for the immaterial origin of everything that moves us to a sublime understanding of the universe and ourselves in it? This book is an impressive scientifically based response to the most famous studies of human spirituality, religiosity and mysticism, which assign God's only place to exist - the human brain and describe faith as an adaptive evolutionary mechanism that allows one to adapt to the environment in order to survive.