There are no mistakes, save one: the failure to learn from a mistake.

What is necessary is possible, what we want is expensive. What is unnecessary is unlikely.

If you are playing repertoire material, you're stuck. There's not huge amounts you can do.

The science is in knowing; the art in perceiving.

Then certainly for a musician timing becomes something that is immediately accessible as a concept, because it's a necessity in ones everyday performance.

Expectation closes the door to what is happening in the moment.

If the audience doesn't hear what is going on, is it going on?