Brandt: Mr. Lebowski is prepared to make a generous offer to you to act as courier, once we get instructions for the money. The Dude: Why me, man? Brandt: He believes the culprits might be the very people who, uh, soiled your rug, and you are in a unique position to confirm or disconfirm that suspicion. The Dude: He thinks the carpet pissers did this? Brandt: Well Dude, we just don't know.