This book can be a great revelation for many, as well as a great test for others, for the questions to which the author seeks and finds his answers have always worried humanity and already seemed to have their right solution. What are human capabilities? Are they limited? And if limited, then by what? The author is convinced that there are no limits to a person’s capabilities - it’s all about training the brain. It is the brain, a unique tool for human self-improvement, that will help everyone transform their lives. The basis for this work will be the effective method of training the attention function proposed by the author.