The only person who might know would be the great and wonderful Wizard of Oz himself.
7 seconds sound clip from the The Wizard of Oz (1939) movie soundboard.
You can hear this line at 00:31:23 in the Blu-ray version of the movie.
Quote context
[...]
- I'm afraid you've made rather a bad enemy of the Wicked Witch of the West.
- The sooner you get out of Oz altogether, the safer you'll sleep, my dear.
- Oh, I'd give anything to get out of Oz altogether.
- But which is the way back to Kansas? I can't go the way I came.
- The only person who might know would be the great and wonderful Wizard of Oz himself.
- The Wizard of Oz? Is he good or is he wicked?
- Oh, very good, but very mysterious.
- He lives in the Emerald City, and that's a long journey from here.
- Did you bring your broomstick with you?
- No, I'm afraid I didn't. Well, then, you'll have to walk.
- The Munchkins will see you safely to the border of Munchkinland.
[...]