They give us very little information about the power of our mind (unless you go through a psychology faculty, for example). There are no classes on "how to improve memory" or "how to increase the production of certain hormones" at school. We need to have access to the techniques that humanity discovered when it comes to the mind and its incredible powers, as studying them will lead us to transform our lifestyles. Get this work and venture out knowing a part of what your brain can do.