Seinfeld
"Serenity now! Serenity now!" - Frank Coztanza
"What is that?" - George
"The doctor gave me a relaxation cassette. When my blood pressure gets too high, the man on the tape tells me to say 'serenity now!'" - Frank Coztanza
"Are you supposed to yell it?" - George
"The man on the tape wasn't specific." - Frank Coztanza