Happiness Is A Warm Gun not about heroin. A gun magazine was sitting there with a smoking gun on the cover and an article that I never read inside called 'Happiness Is a Warm Gun.' I took it right from there. I took it as the terrible idea of just having shot some animal.

Everything they told me as a kid has already been disproved by the same type of “experts” who made them up in the first place.

I enjoyed it when football crowds in the early days would sing 'All together now' - that was another one. I was also pleased when the movement in America took up 'Give peace a chance' because I had written it with that in mind really.

I don't know how much money I've got. I did ask the accountant how much it came to. I wrote it down on a bit of paper. But I've lost the bit of paper.

I still don't know how to express the really delicate personal stuff. People think that Plastic Ono is very personal, but there are some subtleties of emotions which I cannot seem to express in pop music, and it frustrates me. Maybe that's why I still search for other ways of expressing myself. Song writing is a limiting experience in some ways - writing down words that have to rhyme.

The Beatles had gone beyond comprehension. We were smoking marijuana for breakfast. We were well into marijuana and nobody could communicate with us, because we were just glazed eyes, giggling all the time.

God is a concept by which we measure our pain.