I'm sure I've read something similar to this somewhere - most things I reflect on come from things I read or hear (probably not alone in that). SO, it was this notion that the best predictors for where you're going to be tomorrow and then the next day and then the next week and so on is not where you are today, but what you're doing.
Basically, the best predictor of future actions are current actions. I'm not going to go so far as to say that nobody can 'move' in their life. I don't think that's true. What I do think is true, however, is that people only move when they put in the effort, intention, and focus on moving. And I think that getting to the point where you're putting all that time and energy into something you don't see results for right away is, well, pretty disheartening. So then we say "eff it" and go back to what we were doing right before.