On the day of their meeting, Lennon visited Onos conceptual art show in a gallery in London.

The gallery owner introduced the Beatle and the artist, and the rest is history.

It was very beautiful.

John Lennon and Yoko Ono in December 1968

Susan Wood/Getty Images

I didnt particularly realize that part of it, really.

She didnt split the Beatles.

Because how could one girl split the Beatles, or one woman?

John Lennon and Yoko Ono in December 1968

Susan Wood/Getty Images

The Beatles were drifting apart on their own.

There is no reason on Earth why I should be without her.

There is nothing more important than our relationship, nothing.

John Lennon and Yoko Ono in 1969

Chris Walter/WireImage

We dig being together all the time, and both of us could survive apart, but what for?

Neither of us want to be, and it’s possible for you to’t fill the bed with groupies.

I don’t want to be a swinger.

John Lennon and Yoko Ono in March 1969

Mark and Colleen Hayward/Redferns

I don’t think she will get recognition until she’s dead.

She has the hope that she might be recognized.

But if they didn’t want the two of us, we weren’t interested.

John Lennon and Yoko Ono on The Dick Cavett Show on September 24, 1971

Ann Limongello/ABC via Getty Images

Not just what my Yoko does for me, although I was thinking in those personal terms .

but any truth is universal.

What dawned on me was everything I was taking for granted.

John Lennon and Yoko Ono on November 24, 1971

Thomas Monaster/NY Daily News Archive via Getty Images

Women really are the other half of the sky, as I whisper at the beginning of the song.

It’s a we or it ain’t anything.

Woman is the grown-up version of Girl.

John Lennon and Yoko Ono Onstage in 1971

PL Gould/IMAGES/Getty Images

The photograph on the cover, captured by Annie Leibovitz, was taken just hours before he was killed.

Were together, still.

We were saying global village, its going to be a global village in the 60s!

Double Fantasy, 1980

John Lennon and Yoko Ono on August 22, 1980

Steve Sands/AP

Rolling Stone, January 22, 1981

Rolling Stone