"I don't feel a day older when it comes to my approach to music or what gets me off than when I was a teenager. I've always been into different kinds of stuff and when I play I like to play loud. I like my arm hairs to move and I like my body to vibrate 'cause I like the feel of it; I'm still a teenager at heart."

"Obviously you have to have rhythm. If you have rhythm, then you can play anything you need. If you have rhythm and you love music, then play and play and play until you get to where you want to get. If you can pay the rent, great. If you can't, then you'd better be having fun."

"I've had a hip replacement, I've beaten cancer, I had my hand operation, and I stopped drinking. Something inside of me just went, 'I'm done.'"

"I'm not a rock star. Sure I am, to a certain extent because of the situation, but when kids ask me how it feels to be a rock star, I say leave me alone, I'm not a rock star. I'm not in it for the fame, I'm in it because I like to play."

"Questions have arisen about the policing of science. Who is responsible for the policing? My answer is: all of us."

"Intelligence is not a science."

"Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out."

"For a poet to depict a poet in poetry is a hazardous experiment in regarding one's own trade a sense of humour and a little wholesome cynicism are not amiss."