The world is the true classroom. The most rewarding and important type of learning is through experience, seeing something with our own eyes.
I never have been insecure, because I see what a waste it is. I know there is a solution to insecurity. I don't tend to be thrown by problems that don't have solutions. And insecurity has a wealth of alternatives.
If you make music for the human needs you have within yourself, then you do it for all humans who need the same things. You enrich humanity with the profound expression of these feelings.