Songwriting's a weird game.
If you don't know the blues... there's no point in picking up the guitar and playing rock and roll or any other form of popular music.
Why would you want to be anything else if you're Mick Jagger?
It's good to be anywhere.
I don't have a problem with drugs, I have a problem with policemen.
You didn't know whether Chuck Berry was black or white - it was not a concern.