It serves me right for even asking you. All butterflies know are songs and poetry and anything else they hear.
7 seconds sound clip from the The Last Unicorn movie soundboard.
You can hear this line at 00:08:24.924 in the Blu-ray version of the movie.
Quote context
[...]
- Butterfly, in all your wanderings, have you seen others like me? Have you seen even one?
- Oh, have you seen the muffin man, the muffin man, the muffin man?
- Butterfly, even one? Tell me that you saw only one?
- One? One alone, to be my own...
- Up goes downwind, up go down! Go and catch a falling star...
- I guess you mean well. Fly away, butterfly.
- Oh, I must take the A train.
- Oh, I am a cook and a captain bold and the mate of the Nancy brig.
- Has anybody here seen Kelly?
[...]