The principal function of form is to advance our understanding. It is the organization of a piece which helps the listener to keep the idea in mind, to follow its development, its growth, its elaboration, its fate.

Composing is a slowed-down improvisation; often one cannot write fast enough to keep up with the stream of ideas.

Music is only understood when one goes away singing it and only loved when one falls asleep with it in one's head, and finds it still there on waking up the next morning.

I owe very, very much to Mozart; and if one studies, for instance, the way in which I write for string quartet, then one cannot deny that I have learned this directly from Mozart. And I am proud of it!

In Spring! In the creation of art it must be as it is in Spring!

Lucidity is the first purpose of color in music.

My music is not modern, it is merely badly played