All the Whos were all dreaming sweet dreams without care when he came to the first little house on the square.
14 seconds sound clip from the How the Grinch Stole Christmas! (1966) movie soundboard.
You can hear this line at 00:12:07 in the Blu-ray version of the movie.
Quote context
[...]
- Then he loaded some bags and some old empty sacks on a ramshackle sleigh, and he whistled for Max.
- Giddap.
- And the sleigh started down toward the homes where the Whos lay a-snooze in their town.
- All their windows were dark. No one knew he was there.
- The old Grinchy Claus hissed as he climbed to the roof, empty bags in his fist.
[...]