You sound sweet, but you don't make sense.
4 seconds sound clip from the Holiday Inn (1942) movie soundboard.
You can hear this line at 00:51:56 in the Blu-ray version of the movie.
Quote context
[...]
- Say, that reminds me, I have a surprise for you downstairs.
- You sound sweet, but you don't make sense.
- The inn is so romantic looking.
- Nice? I posed for those cupids myself.
[...]