Cosmo Kramer: You know you're not supposed to brush your teeth for 24 hours before you go to the dentist.
Jerry: I think you're thinking of 'You're not supposed to eat 24 hours before surgery'.
Cosmo Kramer: Oh, you gotta eat before surgery. You need your strength.
Frank Costanza: [yelling] Serenity now. Serenity now.
George Costanza: What is that?
Frank Costanza: Doctor gave me a relaxation cassette. When my blood pressure gets too high, the man on the tape tells me to say: "SERENITY NOW"
George Costanza: Are you supposed to yell it?
Frank Costanza: The man on the tape wasn't specific.
more Seinfeld quotes
Jerry: I think you're thinking of 'You're not supposed to eat 24 hours before surgery'.
Cosmo Kramer: Oh, you gotta eat before surgery. You need your strength.
Frank Costanza: [yelling] Serenity now. Serenity now.
George Costanza: What is that?
Frank Costanza: Doctor gave me a relaxation cassette. When my blood pressure gets too high, the man on the tape tells me to say: "SERENITY NOW"
George Costanza: Are you supposed to yell it?
Frank Costanza: The man on the tape wasn't specific.
more Seinfeld quotes