No, no, thank you very much but I couldn't let you do that.
5 seconds sound clip from the You Can't Take It with You (1939) classic radio play.
You can hear this line at 00:45:25 in the radio play.
Quote context
[...]
- All right, everybody! Night Court's open! Have your slips ready! Come on, come on, move along.
- A hundred dollars? That's a lot of money.
- Your Honor, I'll pay his fine.
- No, no, thank you very much but I couldn't let you do that.
- We got to help Grandpa! He's our neighbor!
[...]