"Let's agree to disagree"
Is how the crusades famously ended.
(Jeru The Cunt of Monte Cristo, Sat 17 May 2008, 18:17, archived)

No I'm sure you're thinking of
Kramer Verses Kramer.
( riverghost www.b3ta.com/questions/imagechallenge/post262552, Sat 17 May 2008, 18:19, archived)