You're all geniuses and you're all beautiful. You don't need anybody to tell you who you are or what you are. You are what you are. Get out there and get peace. Think peace, live peace, and breathe peace and you'll get it as soon as you like.
Source, in full
Statement to the press (July 1969) after the release of the Plastic Ono Band's single "Give Peace a Chance", as quoted in The Beatles: An Oral History by David Pritchard and Alan Lysaght (1998) New York: Hyperion. ISBN: 0786864362. OCLC: 39093547. p. 285.