See it in terms of paint. We don't learn subject matter, we learn paint. The musician can play any score that is set before him.

I don't look where I'm going, I look where I've been.

A painting is a collection of a series of corrections.

If it's all wrong, it's all right.

The first thing you see is the last thing you do.

I switched to painting with my left hand to be in better company.

You can't get it right, until you make it wrong.