Why, there's seven little chairs! Must be seven little children. And from the look of this table, seven untidy little children.
12 seconds sound clip from the Snow White and the Seven Dwarfs (1937) movie soundboard.
You can hear this line at 00:16:27 in the Blu-ray version of the movie.
Quote context
[...]
(SNOW WHITE KNOCKING AT THE DOOR)
- And just look at that fireplace. It's covered with dust.
[...]