Although this article from Marshall Goldsmith focuses on successful leaders looking back on their careers, the lessons learned apply directly to entrepeneurs as well. The findings he discusses, as discovered by John Izzo while researching his new book include:
1) ...people don’t regret their failures and that most people wished they had risked more...
2) ...if you think your work-life mix is out of whack it probably is...
3) ...the importance of being true to self...