What that brings to mind for me are several things.
We must do what makes us happy or we won’t be productive, may not do quality work, and we certainly won’t be enjoying what we do. It doesn’t mean we don’t have to pay attention to the clock, the schedule, the budget and everything else that is constraining us along the way. We do. But we don’t have to follow the same monotonous processes every day, all day, to get there.