Characters
I've done everything the bible says. Even the stuff that contradicts the other stuff.
— Flanders ‧ The Simpsons
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker claims to have obeyed every instruction in the bible, then adds the punchline: even the parts that contradict other parts. The humour lies in earnest, exhaustive devotion colliding with the impossibility of following commands that conflict.
Context reviewed