Only bad witches are ugly.
4 seconds sound clip from the The Wizard of Oz (1939) movie soundboard.
You can hear this line at 00:22:38 in the Blu-ray version of the movie.
Quote context
[...]
- What the Munchkins want to know is are you a good witch or a bad witch?
- But I've already told you, I'm not a witch at all. Witches are old and ugly.
- The Munchkins. They're laughing because I am a witch. I'm Glinda, the Witch of the North. You are?
- Oh, I beg your pardon! But I've never heard of a beautiful witch before.
- The Munchkins are happy because you freed them from the Wicked Witch of the East.
- But if you please, what are Munchkins?
- The little people who live in this land.
- It's Munchkinland and you are their national heroine, my dear.
[...]