As far as I'm concerned, the essentials of jazz are: melodic improvisation, melodic invention, swing, and instrumental personality.
“According to my principles, every master has his true and certain value. Praise and criticism cannot change any of that. Only the work itself praises and criticizes the master, and therefore I leave to everyone his own value.”
“What troubles me is not that movie stars run for office, but that they find it easy to get elected. It should be difficult. It should be difficult for millionaires, too.”