Don't let them kill the wild animals inside of you.

Lyrics and song from Cat Empire here; I've heard them live twice at the Winnipeg Folk Festival, my favorite band.
https://www.youtube.com/watch?v=hRSoQdyazZw
Tiny Buddha talking abou the same thing here;

How to Stop Limiting Yourself and Feel Fully Alive 

This is pretty much how I felt every day on the Italy trip.