I think it is most important for a teacher to play the pieces and studies that are being played by the student.
Sometimes it is better to begin the journey, to get under way, then it is to sit back and wait until such time that you're convinced that all conditions are perfect and that there'll be no surprises along the route.
We have eyes, and we're looking at stuff all the time, all day long. And I just think that whatever our eyes touch should be beautiful, tasteful, appealing, and important.