Love is a perky little elf dancing a merry little jig and then, suddenly, he turns on you with a miniature machine gun.
Matt Groening
LISA: Dad, why are you dedicating you life to blasphemy? HOMER: Don't worry, sweetheart. If I'm wrong, I'll recant on my deathbed.
Fat tony is the cancer of this city, and I am the... What cures cancer?
Chief Wiggum
Police chief wiggum: Put out an A.P.B on Uosdwis R Dewoh, better start with greek town!
Detective: Thats Homer J Simpson chief! You're reading it upside down.
Police chief wiggum: Err.. cancel that A.P.B! But err bring back some of them errm giro's!
Detective: Eh, chief.. You're talking into your wallet!
Your great-uncle Horace had a saying: "Shoot 'em all and let God sort 'em out." Of course, one day he put his theory into use, and it took thirty U.S. Marshalls to bring him down.
Marge
"Smell that Ralph? That's the smell of justice." "It smells like hot dogs."
I would like to be a butterfly. Because nobody suspects the butterfly.
Bart Simpson
"Dad! We've done something awful!"
"Did you wreck the car?"
"No"
"Did you raise the dead?"
"Yes"
"But the car is okay?"
"Yes"
"Well run along then"
It tastes like burning.
Ralph
Oppression and harassment are a good price to pay, to live in the land of the free
Mr. Burns
My cat's breath smells like cat food.
Ralph Wiggums
Mom, romance is dead. It was acquired in a hostile takeover by Hallmark and Disney, homogenized, and sold off piece by piece.
Lisa Simpson
Oh crap, I've wasted my life
Boy , Moe, that team sure sucked last night. They just plain sucked! I've seen teams suck before, but they were the suckiest bunch of sucks that ever sucked.
Homer
Ha ha! Look at this country! ? U R Gay!? Ha ha!" (looking at Uruguay on the globe).
Homer
I like my beer coldmy TV loudand my homosexuals flaming.
Homer
English - Who needs that? I'm never going to England!
Homer
Grammar is not a time of waste!
written on blackboard at the start
I'd rather let 5000 guilty men go free, then chase after them.
Chief Wiggums
Homer: Now remember Lisa, always give in to peer pressure.
Lisa: But what if someone really bad tells me to do something really bad and...
Homer: ALWAYS

Uuuh nah, you got the wrong number, this is 91... 2
Chief Wiggums
Me fail english? That's unpossible!
Ralph Wiggums
It's funny because it's true.
Fat Tony
Marriage is like living with your best friend, except he lets you touch his boobs.
Homer
They say the greatest tragedy is when a father outlives his son. I've never fully understood why that is. Frankly, I can see an upside to it.
Grandpa Simpson
When I grow up, I'm going to Bovine University.
Ralph Wiggum
Homer: So whaddya think Marge? All I need is a title. I was thinking along the lines of no TV and no beer make Homer something something.
Marge: Go crazy?
Homer: Don't mind if I do!
And when the doctor said that I didnt have worms anymore, that was the happiest day of my life
Ralph Wiggum
You impressed me, and I'm not easily impressed. Wow a BLUE CAR!
Homer
Homer: Wanna play catch, boy?
Bart: Nah
Homer: What kind of world do we live in when a boy doesn't want to play baseball with his own father?
Abe Simpson (grandpa): I'll play with you son
Homer: Go home