I think it is most important for a teacher to play the pieces and studies that are being played by the student.
“There are many really good teams in our conference this season. Miami, Indiana and Detroit will be our fiercest opponents this year. But we just have to focus on our game and be patient with the realistic hope that we'll be on top after all is said and done.”
“But it is impossible to divide a cube into two cubes, or a fourth power into fourth powers, or generally any power beyond the square into like powers; of this I have found a remarkable demonstration. This margin is too narrow to contain it.”