Doing the right thing
Flawless execution of the wrong thing will get you no meaningful outcome, as much as your project may be delivered on time and within budget.
Doing things right is critical. But it is more important that you ensure that you are doing the right thing.
Have you asked yourself if your focus will lead to the outcome that you want? How are you validating your idea?
I found reading the book The Lean Startup very helpful. Consider reading it if you have not already read it!
ARTICLE # 603