Howard: "Good taste and bad judgement."

Richie: "Kids... Kids of the west."

(Repeated line.)
Fonzie: "Whoa."

Arnold - Signs are expensive! Is this the face of a Ah-nold?

Fonzie: "I knew that. I knew that."

Joanie: "How about 'Rock Around the Clock', Mom?"

Ralph Malph: You're such a Potsie!

Fonzie: "Four wheels make me nervous."

Fonzie: "Life don't work that way."

Richie: Now we're gonna do what we came up here to do: neck.
Gloria: Oh, anything you say, Richie.
[They begin to kiss when the alarm clock goes off, signaling that Gloria must go home]
Gloria: Maybe we'll have time for a goodnight kiss at my door.
Richie: The story of my life is kissing at the door.

Mork: "I like that boy, Opie. Why does an Earth boy have a Martian name, though?"

Fonzie: "When they made him, they ate the mold."

Richie: You make school sound like good fun.
Fonzie: Well, school's got good points. I mean, smoking in the bathroom, cutting classes, showing my tattoo to the chicks.

Howard: "What's a Fonzie?"

Ralph (one-liner): "You tell him I said that, and I'll deny it, every word!"

Marion Cunningham:
Richie just hasn't got the appetite that Chuck has.

Howard Cunningham:
Marion, Argentina hasn't got the appetite that Chuck has.

Roger: "Let's face it. I'm not a love 'em and leave 'em kind of guy."

The Fonz:
[Richie tries to get Fonz to get rid of a very tall, very big lumberjack] You picked a fight with a red and black tree?

Fonzie to his nephew Spike:
"There's a big difference between a life of cool and a life of crime."

[Fonzie's feet are sore from dancing and needs to be held up]

Fonzie:
Aaaay, I'm up and moving!

Richie Cunningham:
You're in La-La land, Fonz.

Fonzie:
Let me tell ya, it's a lot of fun in La-La land!

Fonzie: "I love middle class families."

Marion: "...I have the best family in the world."

Fonzie:

Fonzie:

Arthur 'Fonzie' Fonzarelli:
[trying on boots with bright red ribbons] Hey, I'll take this.

Potsie Weber, Mr. Rudi:
You'll take these?

Arthur 'Fonzie' Fonzarelli:
Yeah, I can use them for my bike reflectors.

Arnold (one-liner): "OK, I looking for another loud-mouth volunteer."

Lori Beth:
Help somebody! Help!

Chachi Arcola:
What happened?

Lori Beth:
We crashed!

Chachi Arcola:
What?

Al Delvecchio:
Are you alright?

Lori Beth:
Not me, it's Richie! He's not moving! He's not moving!

Fonzie: "No confidence with chicks? I've heard of that."

Fonzie one-liner:

“Fonzie: You got nothing to fear but fear itself.

Richie: Didn't somebody else say that?

Fonzie: Well, if they did, they got it from the Fonz.”

Potsie:

Potsie: "A great moment in sports."

Potsie: "Fonz, you are the greatest."