"I adore children. They are the only people who are truly free."

"All you have to do is close your eyes and wait for the symbols."

"I have been called the 'Picasso of music.' I myself have never said that. I have always preferred to be myself."

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

"The one true comment on a piece of music is another piece of music."