- Do you know her?
- She owns me. I'm her shadow. And I always thought I knew her.

8 seconds sound clip from the Helen of Troy (1956) movie soundboard.

You can hear this line at 00:21:55.833 in the Blu-ray version of the movie.

Quote context

[...]

- And why should that worry you?

- Never mind. The feelings of a slave are of no importance.

- They are to me.

- In any place but Sparta, one so fair would be a queen. In Troy, we'd make songs about you.

- King Menelaus would not permit that here.

- Because you'd make his queen look plain.

- Oh, she would be pained to hear you say that.

- Do you know her?

- She owns me. I'm her shadow. And I always thought I knew her.

- No, I don't believe anyone knows Queen Helen very well, including Helen.

- Not even the king?

- Great power doesn't need knowledge.

- Wait. I only ask these questions because I must go to the palace.

- Oh, don't chance it.

- I intend to be discreet, so prepare me.

[...]