This quote was told to me by my son who over the past year has really taken to the guitar and become quite the player. Yes, I'm a little biased, but he's good, and so is the group of kids he plays with.
When he told me this quote, I was shocked, here's my son who's never been great in school and he's quoting a rock star...
"Knowledge speaks, but wisdom listens." - Jimi Hendrix