It is practical. It's the most practical idea you ever had!
5 seconds sound clip from the Christmas in July (1944) classic radio play.
You can hear this line at 00:48:59 in the radio play.
Quote context
[...]
- He does belong in here, Mr. Baxter.
- Now, what is the joke this time?
- He belongs in here, because he thinks he belongs in here.
- Oh, that's all very deep dish and high fallutin, but far from practical.
- It is practical. It's the most practical idea you ever had!
[...]