[the adults are frantic, but trying not to show it to Little Ricky before his first music school recital]
Lucy Ricardo: Well, now, how d'ya feel, Honey?
Little Ricky Ricardo: Fine, Mommy.
Ethel Mertz: Look how calm he is.
Ricky Ricardo: Sure. Perfectly relaxed.
Fred Mertz: That's kids, for ya.
Lucy Ricardo: You're not nervous, are ya, Honey?
Little Ricky Ricardo: No.
Lucy Ricardo: He's not a bit nervous.
Ethel Mertz: We knew you wouldn't be.
Little Ricky Ricardo: Mommy... what's 'nervous'?