People do not retire. They are retired by others.

The wise musicians are those who play what they can master.

My biggest kick in music -playing or writing- is when I have a problem. Without a problem to solve, how much interest do you take in anything?

I'm sure critics have their purpose, and they're supposed to do what they do, but sometimes they get a little carried away with what they think someone should have done, rather than concerning themselves with what he did.

There is no art without intention.

In music, as you develop a theme or musical idea, there are many points at which directions must be decided, and at any time I was in the throes of debate with myself, harmonically or melodically, I would turn to Billy Strayhorn. We would talk, and then the whole world would come into focus. The steady hand of his good judgment pointed to the clear way that was fitting for us. He was not, as he was often referred to by many, my alter ego. Billy Strayhorn was my right arm, my left arm, all the eyes in the back of my head, my brainwaves in his head, and his in mine.

Simplicity is a most complex form