AFI #033 Estelle Reiner as Customer from When Harry Met Sally (1989)

Harry: You don't think that I could tell the difference?
Sally: No.
Harry: Get outta here.

[Sally begins to fake an orgasm]
Harry: Are you OK?

[Sally continues very audibly, attracting the attention of nearly every customer in the cafe. Afterwards, she returns to eating her dessert]

Older Woman Customer: [to waiter] I'll have what she's having.

- Estelle Reiner as a Customer from When Harry Met Sally (1989)

The bolded line is ranked #33 in the American Film Institute's list of the top 100 movie quotations in American cinema.

AFI #053 Groucho Marx as Capt. Geoffrey T. Spaulding from Animal Crackers (1930)

One morning I shot an elephant in my pajamas. How he got in my pajamas, I don't know.

- Groucho Marx as Capt. Geoffrey T. Spaulding from Animal Crackers (1930)

The bolded line is ranked #53 in the American Film Institute's list of the top 100 movie quotations in American cinema.

AFI #064 Peter Sellers as Merkin Muffley from Dr. Strangelove (1964)

Merkin Muffley: Gentlemen, you can't fight in here! This is the War Room!

- Peter Sellers as President Merkin Muffley from Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb (1964)

The bolded line is ranked #64 in the American Film Institute's list of the top 100 movie quotations in American cinema.

---

http://en.wikiquote.org/wiki/Dr._Strangelove