Goals are your ceiling. They describe what is possible on a good day, when motivation is present and the path feels clear. Systems are your floor. They are what you actually do when the day is hard, the motivation is gone, and the easier option is right there waiting.
You will not rise to what you hoped for. You will fall to what you built.
This is why a small, honest system that survives your worst day is worth more than the most ambitious goal you have ever set. The goal points the direction. The system determines where you actually land. And the gap between the two is not a willpower problem. It is a design problem.