Mom, they're gonna kill Lou and make him into food and fringe vests for gay cowboys!

Dad was Colonel Homer and he wore that awesome suit and Lurleen wanted to bunk his brains out! But I forget how Mom felt about it.
(Marge grinds her teeth angrily)

Homer: Just sit still in my lap.
Bart: What lap?
Lisa: All I see is a gut with knees.
Homer: Why, you little!

(Homer and Lisa are excited about the latest Angelica Button book.)
Lisa: The last book in the series goes on sale at midnight and we're gonna go stand in line.
Bart: Wait in line for a book?! You tell 'em Bart says hey.
Homer: Come on, boy. All the nerds are doing it.
Bart: I'm not a nerd. I'm a jock who's too cool for sports.

Homer: Son, while your mother and little mother are out, I'm gonna let you in on a deep, dark family secret.
Bart: You have a drinking problem?
Homer: I said secret.

(about a school assignment) The Internet wrote it, I just handed it in.

Lisa: Bart, Martin could be seriously hurt or worse! We have to do something!
Bart: You're right. Let's watch TV.

(Martin and Lisa are excavating for arrowheads.)
Martin: Care to make it a trio, Bart? You can brush and I can blow.
Bart: Well, I agree you blow.
Martin: Then it's a plan!
Bart: A lot of people blow, but no one blows like you.
Martin: High praise indeed!
Bart: When you look up "blow" in the dictionary--
Lisa: Bart, he's not gonna get it.
Bart: Fine.

Usually when I do something bad, I feel good. But not this time. Martin was like Jesus... only real.

Skinner's five steps ahead of me! I put a tack on his chair, he's corked his pants. I throw a tomato, he's making salad.

Marge: A carnival? What's so romantic about this?
Lisa: Bye!
Bart: See you later!
(Bart and Lisa run off into the carnival.)
Homer: For the next two hours, we'll be kid-free. It'll be just like the time we lost them at the mall.
(Homer and Marge chuckle.)
Homer: That was the best Christmas ever.

Marge: There is a part of our past that we haven't told you kids about. A turbulent part.
Bart: Come on. More turbulent than now?
Lisa: We're in every kind of therapy!
Homer: Things happened between your mother and me that we're not proud of. It was the middle of a wild decade known as the 1990's.
Bart: The '90s? Never heard of it.

The Simpsons Quotes

(The family watches Homer's launch on TV.)
Bart: Go, Dad, go!
Lisa: How doth the hero, strong and brave, a celestial path to the heavens paved!
(The family stares at her.)
Lisa: Go, Dad, go.

Mr. Burns: I specifically said, no geeks!
Milhouse: But my mom says I'm cool...