It (LSD) opened my eyes. We only use one-tenth of our brain. Just think of what we could accomplish if we could only tap that hidden part! It would mean a whole new world if the politicians would take LSD. There wouldn't be any more war or poverty or famine.
Paul McCartneyIt's as serious as anyone ever gets, you know. It's just words. It's just good poetry.
Paul McCartneyI'm not into, Hey, what's your sign? or any of that. But I don't know how I got here, and I don't know how I write songs. I don't know why I breathe.
Paul McCartney