You're cute, but not cute enough.
6 seconds sound clip from the The Roaring Twenties (1939) movie soundboard.
You can hear this line at 01:12:05 in the DVD version of the movie.
Quote context
[...]
- He makes a lot of noise when he eats spaghetti too.
- And you lifted it from them.
- Quit talking through your hat.
- The watchman you knocked off didn't die right away. He talked.
- You're cute, but not cute enough.
- Come on, stick around. We're gonna give away some more loot. What's your hurry?
- Come on. Get this guy out of here. Throw him out in the street.
- Put your hat on. You'll catch cold. I hope.
[...]