Who said "To accept convention is to accept irrelevance."?

This quote is attributed to Pierre Boulez.

To accept convention is to accept irrelevance. - Pierre Boulez

"To accept convention is to accept irrelevance."

Pierre Boulez Courage

Avant-Garde Composer Conductor French 1925–2016

"Music is the vehicle for human emotion. It has always been."

"Compose yourself, and the world will compose itself."

"The serial technique is not a philosophy but a method."

"I think music is the most beautiful of all the arts."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."