I misjudged you, Walter. I knew you would sell your mother for an Etruscan vase, but I didn't know you would sell your country and your soul to the slime of humanity.

Henry Jones (Sean Connery)

14 seconds sound clip from the Indiana Jones and the Last Crusade movie soundboard.

You can hear this line at 00:53:29 in the Blu-ray version of the movie.

Quote context

[...]

- But you should have listened to your father.

- She ransacked her own room, and I fell for it.

- How did you know she was a Nazi?

- She talks in her sleep.

- I didn't trust her. Why did you?

- Because he didn't take my advice.

- Didn't I warn you not to trust anybody, Dr. Jones?

- I misjudged you, Walter. I knew you would sell your mother for an Etruscan vase, but I didn't know you would sell your country and your soul to the slime of humanity.

- Dr. Schneider, there are pages torn out of this.

- This book contained a map, a map with no names, precise directions from the unknown city to the secret Canyon of the Crescent Moon.

- So it did.

- Where are these missing pages, this map? We must have these pages back.

- You're wasting your breath. He won't tell us, and he doesn't have to.

[...]