Focusing on past accomplishments creates obstacles to success in the present. If you're still talking about something great you did 20 years ago like it was yesterday, your ego is getting in the way.
What you did in the past makes a good story. What you're doing now makes a difference.
Do I need to spend more time searching for better information or do I need to spend more time acting on the information I already have? Is the bottleneck strategy or execution?