" None of this seems particularly groundbreaking to us today. But what William James concluded was indeed crucial to our understanding of behavioral change. Given our natural tendency to act out of habit, James surmised, couldn’t the key to sustaining positive change be to turn each desired action into a habit, so that it would come automatically, without much effort, thought, or choice? As the Father of Modern Psychology so shrewdly advised, if we want to create lasting change, we should “make our nervous system our ally instead of our enemy. "

― Shawn Achor , The Happiness Advantage: The Seven Principles of Positive Psychology That Fuel Success and Performance at Work