Dan Aykroyd: The activation phrase was something no one would ever think to mutter
Stewie: What is it?
Dan Aykroyd: The phrase is "gosh that itlain family at the next table sure is quiet"

Doctor: Hum, 29 pounds, that's big for your age.
Stewie: Well forgive me for not being one of those anorexic babies from the diaper commercials

I say, Rupert, this paste is delicious. It's almost worth the bowel obstruction!

Lois: Oh, I haven't been on a college campus in years. Everything seems so different.
Stewie: Really? Perhaps if you laid on your back with your ankles behind your ears that would ring a few bells

College Girl: Are you in a fraternity little boy?
Stewie: Not yet but I'm thinking about joining I Felta Thi

Susan Sarandon: Hi, I'm Susan Sarandon. A lot of you know me as Tim Robbins' mother, but I'm actually his girlfriend. And this is Stewie. Stewie: What the deuce?
Susan Sarandon: For less then a ticket price for one of my movies about capital punishment or neo-feminism, you can make sure Stewie never goes hungry again.
Stewie: Yes, and from the look of those sweater cows, so could you

Lois: Jump in, sweetie! The turtle will protect you!
Stewie: I'm supposed to entrust my life to a turtle?! Nature's "D" student?

I don't suppose you have any valium on you? Of course not, you're leading the straight life now

Brian: Well, well, looks like you're in love.
Stewie: Ha! That's so funny I forgot to laugh...excluding that first "ha!"
Brian: Face it, you're a sucker for a woman with blue eyes.
Stewie: Aha! Her eyes are green!
Brian: Aha! Thanks for proving my point.
Stewie: Damn!

Stewie: You remember that episode of the Brady Bunch where Bobby saved Greg's life and Greg became his slave?
Brian: Yeah.
Stewie: Good. It's on tonight. Tape it for me, and put a nice label on it

Stewie: Go on, hot wire it!
Brian: Hot wire? I don't even pump my own gas.

Brian [at mom's funeral]: Say something.
Stewie: What?
Brian: Just say something please.
Stewie: For god's sake. Um... "Yea, and God said on to Abraham, 'You will kill your son Isaac'. And Abraham said, 'I can't hear you, You'll have to speak into the microphone.' And God said, 'Oh, I'm sorry. Is this better? Check, Check, Check. Jerry pull the high end out I'm, getting some hiss back here.'"
Brian: Say something about my mother!
Stewie: Oh yes, I'm sorry. I never knew Biscuit as a Dog, but I did know her as a table. She was sturdy, all four legs the same length...
Brian: Thanks. That's enough.
Stewie: Yes. Requiem in Terra Pax, and so forth. Amen

Family Guy Quotes

Stewie: (Comes into the bedroom) Lois! Lois! Lois! Lois! Lois! Lois! Mom! Mom! Mom! Mommy! Mommy! Mommy! Mama! Mama! Mama! Ma! Ma! Ma! Ma! Mum! Mum! Mum! Mum! Mummy! Mummy! Mumma! Mumma! Mumma!
Lois: What!?
Stewie: Hi! (Giggling and running out of the room)

Bill Clinton: All right, are you ready for another round of N.A.F.T.A
Lois Griffin: What does N.A.F.T.A. mean?
Bill Clinton: 'Nother Afternoon of F****** That Ass!