If anybody was Mr. Jazz it was Louis Armstrong. He was the epitome of jazz and always will be. He is what I call an American standard, an American original. ... I merely took the energy it takes to pout and wrote some blues. ... I don't need time, I need a deadline. ...There are two kinds of music. Good music, and the other kind. ... Music is my mistress, and she plays second fiddle to no one.

The Europeans who went to Africa came back with “modern' art. What is more African than a Picasso?

Somehow I suspect that if Shakespeare were alive today, he might be a jazz fan himself.

Everyone prays in their own language, and there is no language that God does not understand.

Put it this way: Jazz is a good barometer of freedom... In its beginnings, the United States of America spawned certain ideals of freedom and independence through which, eventually, jazz was evolved, and the music is so free that many people say it is the only unhampered, unhindered expression of complete freedom yet produced in this country.

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.

It don't mean a thing if it ain't got that swing.