Maltz famously observed that it takes a minimum of 21 days for a patient to adjust to a new face after surgery. Similarly, it takes 21 days of consistent mental exercise to change a self-image.
—an internal blueprint that dictates how they act and what they believe they deserve. He concluded that if the internal blueprint isn't updated, no amount of external change will make a difference. He turned to the science of Cybernetics Psico Cibernetica Maxwell Maltz Pdf
Despite being published over six decades ago, "Psycho-Cybernetics" remains a remarkably relevant and influential work. The book's timeless principles and concepts continue to inspire new generations of readers, and its influence can be seen in many areas of modern personal development. Maltz famously observed that it takes a minimum