Communication, the President of Earth from Barbarella (1968)

President: One day, Barbarella, we must meet in the flesh.

- Claude Dauphin as President Dianthus of Earth from Barbarella (1968)

Love, Barbarella from Barbarella (1968)

Barbarella: Make love? But no one's done that for hundreds of centuries!

- Jane Fonda as Barbarella from Barbarella (1968)

Job, Sally Brown

(why she wants to be a nurse:) I like white shoes. (15 Jun 68)

- Sally Brown

Hero, Barbarella from Barbarella (1968)

The Great Tyrant: Hello, pretty pretty.
Barbarella: Hello...
The Great Tyrant: Do you want to come and play with me? For someone like you I charge nothing. You're very pretty, Pretty-Pretty.
Barbarella: My name isn't pretty-pretty, it's Barbarella.

- Jane Fonda as Barbarella from Barbarella (1968)

Life, Charlie Brown

Life is like an ice cream cone...you have to learn to lick it. (11 Aug 68)

- Charlie Brown from Peanuts (1968)

AFI #066 Charlton Heston as George Taylor, Planet of the Apes (1968)

[the first words ever spoken by a human to the apes]
George Taylor: Take your stinking paws off me, you damn dirty ape!

- Charlton Heston as George Taylor, Planet of the Apes (1968)

The bolded line is ranked #66 in the American Film Institute's list of the top 100 movie quotations in American cinema.

AFI #078 Keir Dullea as Dave Bowman from 2001: A Space Odyssey (1968)

Dave: Open the pod bay doors, please, HAL. Open the pod bay doors, please, HAL. Hello, HAL. Do you read me? Hello, HAL. Do you read me? Do you read me, HAL?
HAL: Affirmative, Dave. I read you.
Dave: Open the pod bay doors, HAL.
HAL: I'm sorry, Dave. I'm afraid I can't do that.
Dave: What's the problem?
HAL: I think you know what the problem is just as well as I do.
Dave: What are you talking about, HAL?
HAL: This mission is too important for me to allow you to jeopardize it.
Dave: I don't know what you're talking about, HAL.
HAL: I know that you and Frank were planning to disconnect me. And I'm afraid that's something I cannot allow to happen.
Dave: Where the hell did you get that idea, HAL?
HAL: Dave, although you took very thorough precautions in the pod against my hearing you, I could see your lips move.
Dave: All right, HAL. I'll go in through the emergency airlock.
HAL: Without your space helmet, Dave, you're going to find that rather difficult.
Dave: HAL, I won't argue with you any more! Open the doors!
HAL: [almost sadly] Dave, this conversation can serve no purpose any more. Goodbye.

- Keir Dullea as Dave Bowman from 2001: A Space Odyssey (1968)

The bolded line is ranked #78 in the American Film Institute's list of the top 100 movie quotations.

AFI #081 Barbra Streisand as Fanny Brice from Funny Girl (1968)

Fanny Brice: [looking in the mirror] Hello, gorgeous.

- Barbra Streisand as Fanny Brice from Funny Girl (1968)

Bold portion is ranked #81 in the American Film Institute's list of the top 100 movie quotations in American cinema.