A burp in a jar is not a science project

From: Homer the Moe
Season 13, Episode 3

A belch is not an oral report

The-Simpsons-s11e15 - Missionary- Impossible

From: Missionary- Impossible
Season 11, Episode 15

The First Amendment does not cover burping

The-Simpsons-[06x24]-Lemon Of Troy

From: Lemon Of Troy
Season 6, Episode 24

A burp is not an answer

The-Simpsons-s04e09-Mr Plow

From: Mr Plow
Season 4, Episode 9

I will not belch the National Anthem

The Simpsons [2x14] Principal Charming

From: Principal Charming
Season 2, Episode 14