Internal The most important lessons learned from your first job Thirty-five percent said the most important thing they learned was how to work with co-workers. Can you relate? By Kristin Long@KristinMLongMarch 1, 2013 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.