Okay, Schmendrick, I give up. Why is a raven like a writing desk?

— (Brother Theodore)

8 seconds sound clip from the The Last Unicorn movie soundboard.

You can hear this line at 00:26:53.140 in the Blu-ray version of the movie.

Quote context

[...]

- Try again. The spell was wrong, but there was true magic in it. Try again!

- My dear, you deserve the services of a great wizard, but I'm afraid you'll have to be glad of the aid of a second-rate pickpocket.

- Ha-ha-ha! Some magician! Some magician!

- Ah, turn blue.

- Step down, lady! You are free!

- Okay, Schmendrick, I give up. Why is a raven like a writing desk?

- The cage. You have taken my keys. Why, you thin thief.

- She'll string you on barbed wire to make a necklace for the harpy! Run!

- You pile of stones! I'll set all your toenails growing in when you mess with me!

- Some magician. You couldn't turn cream into cheese, you Schmendrick you!

[...]