How I Feel After Some Projects Complete (Last scene dialog from ‘Burn After Reading’ - Cohen Brothers

GARDNER “Jesus, what a clusterfuck. That's it then. No one else really knows anything. Okay.”
PALMER “Um.     Well sir, there is...”
GARDNER “... What did we learn, Palmer.”
PALMER “I don't know, sir.”
GARDNER “I don't fucking know either. I guess we learned not to do it again.”
PALMER “Yes sir.”
GARDNER “Although I'm fucked if I know what we did.”
PALMER “Yes sir.    Hard to say.”