" Later, he would famously write that the will to believe is the most important ingredient in creating belief in change. And that one of the most important methods for creating that belief was habits. Habits, he noted, are what allow us to “do a thing with difficulty the first time, but soon do it more and more easily, and finally, with sufficient practice, do it semi-mechanically, or with hardly any consciousness at all.” Once we choose who we want to be, people grow “to the way in which they have been exercised, just as a sheet of paper or a coat, once creased or folded, tends to fall forever afterward into the same identical folds. "
― Charles Duhigg , The Power of Habit: Why We Do What We Do in Life and Business