Our society is run by insane people for insane objectives. I think we're being run by maniacs for maniacal ends and I think I'm liable to be put away as insane for expressing that. That's what's insane about it.

As the group disintegrated towards the end of the decade Lennon embarked on a solo career that produced the critically acclaimed albums John Lennon/Plastic Ono Band and Imagine and iconic songs such as "Give Peace a Chance" and "Imagine". After his marriage to Yoko Ono in 1969 he changed his name to John Ono Lennon. Lennon revealed a rebellious nature and acerbic wit in his music writing drawings on film and in interviews.