If he were telling the truth, he wouldn't have told us. Unless, of course, he knew you wouldn't believe the truth, even if he told it to you.

Captain Jack Sparrow (Johnny Depp)

8 seconds sound clip from the Pirates of the Caribbean 1: The Curse of the Black Pearl movie soundboard.

You can hear this line at 00:14:03 in the Blu-ray version of the movie.

Quote context

[...]

- What's your purpose in Port Royal, Mr. Smith?

- Yeah, and no lies!

- All right then. I confess. It is my intention to commandeer one of these ships, pick up a crew in Tortuga to rape, pillage, and pilfer my weasely black guts out.

- I said, no lies!

- I think he's telling the truth.

- If he were telling the truth, he wouldn't have told us. Unless, of course, he knew you wouldn't believe the truth, even if he told it to you.

- May I have a moment?

- You look lovely, Elizabeth.

- I apologize if I seem forward, but I must speak my mind.

- This promotion throws into sharp relief that which I have not yet achieved. A marriage to a fine woman.

[...]