- Why won't you help me? Why must you always speak in riddles?
- Because I be what I be.

The Last Unicorn Cat, Molly Grue (Tammy Grimes), (Paul Frees)

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

You can hear this line at 01:03:53.919 in the Blu-ray version of the movie.

Quote context

[...]

- Is there a way? Tell me the way. Tell me where we must go!

- Avast! Hark ye closely, mum.

- When the wine drinks itself, when the skull speaks, when the clock strikes the right time.

- Only then will you find the tunnel that leads to the Red Bull's lair, har har.

- There be a trick to it, of course.

- Why won't you help me? Why must you always speak in riddles?

- Because I be what I be.

- I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har.

(wind blowing)

- I can't do this very much longer. He had me juggling teacups for him all night long. Teacups! With tea in them!

- Schmendrick, I didn't tell you. I found the skull! The one the cat was talking about. It's up on a pillar in the Great Hall. And the clock...

[...]