No decision has been made unless carrying it out in specific steps has become someone's work assignment and responsibility.
Whenever you see a successful business, someone once made a courageous decision.
Every three or four years I pick a new subject. It may be Japanese art; it may be economics. Three years of study are by no means enough to master a subject but they are enough to understand it. SO for more than 60 years I have kept studying one subject at a time.
What gets measured gets managed.