It's a very clever slogan just the same. 'It isn't the coffee, it's the bunk.' Excellent for the entire industry.
9 seconds sound clip from the Christmas in July (1944) classic radio play.
You can hear this line at 00:16:24 in the radio play.
Quote context
[...]
- And you really won the contest, eh?
- 'If you don't sleep at night, it isn't the coffee, it's the bunk.'
- But coffee keeps you awake! I know!
- Yeah, but don't you see, this Viennese scientist he says...
- You know, we make coffee too!
- Well, how would you like to come into my office and tell me a few of these ideas?
- Yes sir.
- Oh no-no-no! You come too, my dear.
[...]