The more constraints one imposes, the more one frees one's self. And the arbitrariness of the constraint serves only to obtain precision of execution.

It is my conviction that the public always shows itself more honest in its spontaneity than do those who officially set themselves up as judges of works of art.

We cannot describe sound, but we cannot forget it either.

What force is more potent than love?

The performance of performance has developed to such an extent in recent years that it challenges the music itself and will soon threaten it with relegation.

What I cannot follow are the manic-depressive fluctuations from total control to no control, from the serialization of all elements to chance.

Art is the opposite of chaos. Art is organized chaos.