A musician cannot move others unless he too is moved. He must of necessity feel all of the affects that he hopes to arouse in his audience, for the revealing of his own humour will stimulate a like humour in the listener.

According to my principles, every master has his true and certain value. Praise and criticism cannot change any of that. Only the work itself praises and criticizes the master, and therefore I leave to everyone his own value.

What comprises good performance? The ability through singing or playing to make the ear conscious of the true content and affect of a composition.

I have assigned many of my father's basses to students, without endangering their lives. Also, they do no harm to the fingers.

One must be convinced to convince, to have enthusiasm to stimulate the others.

For touching an adversary's man, when it cannot be captured, the offender must move his King.