Persistence isn’t using the same tactics over and over. That’s just annoying.
Persistence is having the same goal over and over.

http://sethgodin.typepad.com/seths_blog/2008/03/persistence.html

After reading the above post from Seth Godin, I realized that best lessons are the ones that are simply taught.  You know you have experience that lessons when after you read it.. you say “I get it”.