Edna: The wireless was an invention by Guglielmo Marconi. Who can tell me what his first message was?
Bart: Uh
Milhouse: I want-a change-a my name!
(Everyone laughs)
Edna: (chuckling) Oh, good one, Milhouse. Anyone else? The first message by wireless?
Bart: It was
Martin: Our tenth caller will receive tickets to Supertramp!
(everyone laughs)

Milhouse: I checked around... the girls are calling you Fatty Fat Fat Fat and Nelson's planning to pull down your pants. But, nobody's trying to kill ya.
Bart: Aaah... that's good.
Nelson: pulls down pants
Group Of Girls: Fatty fat fat fat, fatty fatty fat fat!

Bart: Oh boy! Free trading cards!
Milhouse: Wow! Joseph of Arimathea! 26 conversions in A.D. 46.
Nelson: Whoa, a Methuselah rookie card!
Flanders: (chuckles) Well boys, who'd have thought learning about religion could be fun?
Bart: Religion?
Milhouse: Learning?
Nelson: Let's get out of here!

Kurt: Milhouse and I are next.
Otto: There's no suspense at your place. Even I hooked up with your old lady. Sorry, kid.
Milhouse: You were my favorite uncle, Uncle Otto.

Milhouse: Is the yellow one lemon or pineapple?
Lunchlady Doris: It's your pet canary

Moe: Get your throwing stuff! Turn the protest into a riot!
Milhouse: How much for a tomato?
Moe: Fresh stuff for a dollar. Rotten is two bucks.
Kirk: Son, do you really need the rotten? I mean, it's not like you're actually gonna hit him.

Nelson: I want you to keep filling your shirt with crud until I get back.
Milhouse: Yes, sir.

Trab pu kcip! Trab pu kcip!

Milhouse: I've seen the Itchy and Scratchy Movie 13 times.
Nelson: I've seen it 17 times!
Bart: You must be getting pretty tired of that movie by now, huh?
Milhouse: No one who saw the movie'd say that!
Nelson: Let's get him!

Mr. Black: Now I must tell you kids Krusty has laryngitis and a bad back so he won't be saying anything or doing anything.
Milhouse: Krusty looks fat.
Lisa: He's really having trouble keeping his balance.
Ralph: He's still funny, but not ha-ha funny.

Mr. Black: I'll take any questions you might have... you? And then uum.... one more.
Milhouse: Can we call you Uncle Blackie?
Mr. Black: No.. last question...

After that fateful day I could never even look at Eliza again. It didn't help that the next day he drank bad well water and went blind.

The Simpsons Quotes

The Constitution? I'm pretty sure the Patriot Act killed it to ensure our freedoms.

Bart

Homer: (Wearing glasses) The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side!
Man: (From inside a bathroom stall.) That's a right triangle, you idiot!
Homer: D'oh!