One notable entrepreneur, Mark Zuckerberg, founder of Facebook, claims to have made his fair share of mistakes and explains how they helped propel him forward towards additional successes.
In an article on Inc.com, Zuckerberg states, "mistakes are how you learn. The majority of what I've done has been mistakes. You get to be successful by getting a few things right." Additionally, Zuckerberg teaches a local after-school class on entrepreneurship to kids in middle school. Zuckerberg said, "I ended up learning more from these kids in middle school."
For the full writeup and additional links, see the article on Inc.com.