The Andy Griffith Show1960

Andy Taylor:
[Showing Rafe different medical tools] This is a stethoscope. Know what it does?

Rafe Hollister:
Naw.

Andy Taylor:
It lets you hear your heartbeat. Wanna hear your heartbeat?

Rafe Hollister:
What for... I know my hearts beatin'

Andy Taylor:
Well I know but...

Rafe Hollister:
I'm alive ain't I?

Andy Taylor:
Well yah but...

Rafe Hollister:
Well then my hearts beatin'!

Andy Taylor:
Just listen to it. [Puts the stethoscope on Rafe's ears and the mic to his heart] See...? Now listen to mine. [Moves the mic to his own chest] See, ain't that somethin'?

Rafe Hollister:
All right, now we know we're BOTH alive!