Marge: Bart, you said you were going to study.
Bart: [clearly in pain] Oh! My stomach.
Marge: Mmm, you just don't want to take that test.
Bart: No, I mean it: it really hurts.
Lisa: Mom, I think he's serious.
Homer: Kids are so naive. Lisa, when you get to be our age, you'll
learn a few things, like when a sign says "Do not feed the
bears," man, you better not feed the bears. Now get to school,
[Bart walks off groaning with Lisa]
-- Sign, sign, everywhere a sign, "'Round Springfield"