Well, how do I act? What do I say?
5 seconds sound clip from the Mickey Mouse - The Prince and the Pauper movie soundboard.
You can hear this line at 00:08:13 in the DVD version of the movie.
Quote context
[...]
- Oh, if I could take your place for just one day...
- Yes! What a grand idea. Don't you see? It'll be perfect.
- I'll take your place with your friends in the streets of London.
- And you shall be the prince.
- The prince? I can't be the prince. Ha.
- Well, how do I act? What do I say?
- I'll be back in the wink of an eye.
- And if there's any trouble, all men know me by this.
- Wow. I'm not sure this is a good idea.
[...]