- Dad, how do you spell frankincense?
- I don't know. Ask your mother.
6 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 01:27:37 in the Blu-ray version of the movie.
Quote context
[...]
- Is she running a temperature? What is it?
- Just a teensy one, 99.6. She'll be all right.
- Why did we have to live here in the first place and stay around this measly, crummy old town?
- You call this a happy family? Why do we have to have all these kids?
- Dad, how do you spell frankincense?
- I don't know. Ask your mother.
- He told me to write a play for tomorrow.
[...]