Heart, Jack Haley as Hickory/Tin Woodsman from The Wizard of Oz (1939)

Dorothy Gale: Goodbye, Tinman. Oh, don't cry! You'll rust so dreadfully. Here's your oil can.
Tin Woodsman: Now I know I've got a heart, 'cause it's breaking...
Dorothy: Goodbye, Lion. I know it isn't right, but I'm going to miss the way you used to holler for help before you found your courage.
Cowardly Lion: I never would've found it if it hadn't been for you...
Dorothy: [to Scarecrow] I think I'm going to miss you most of all.

- Jack Haley as Hickory/Tin Woodman from The Wizard of Oz (1939)

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Jack Haley http://en.wikipedia.org/wiki/Jack_Haley
as Hickory/Tin Man http://en.wikipedia.org/wiki/Tin_Woodman
from The Wizard of Oz (1939 film) http://en.wikipedia.org/wiki/The_Wizard_of_Oz_(1939_film)

AFI #004 Judy Garland as Dorothy Gale from The Wizard of Oz (1939)

Dorothy: [has just arrived in Oz, looking around and awed at the beauty and splendor] Toto, I've a feeling we're not in Kansas anymore.
Dorothy: [after a pause] We must be over the rainbow!
[a bubble appears in the sky and gets closer and closer. It finally lands, then turns into Glinda the Good Witch wearing a spectacular white dress and crown, holding a wand]
Dorothy: [to Toto] Now I... I know we're not in Kansas!

- Judy Garland as Dorothy Gale from The Wizard of Oz (1939)

The bolded line is ranked #4 in the American Film Institute's list of the top 100 movie quotations in American cinema.

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American Film Institute's list of the top 100 movie quotations

AFI #023 Judy Garland as Dorothy Gale from The Wizard of Oz (1939)

There's no place like home; there's no place like home; there's no place like home...

- Judy Garland as Dorothy Gale from The Wizard of Oz (1939)

The bolded line is ranked #23 in the American Film Institute's list of the top 100 movie quotations in American cinema.

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American Film Institute's list of the top 100 movie quotations
http://en.wikiquote.org/wiki/Wizard_of_Oz

AFI #099 Margaret Hamilton as Wicked Witch of the West, The Wizard of Oz

I'll get you, my pretty, and your little dog too!

- Margaret Hamilton as Wicked Witch of the West from The Wizard of Oz (1939)

This line is ranked #99 in the American Film Institute's list of the top 100 movie quotations in American cinema.