At first you think Cruella is a devil, but after time has worn away the shock, you come to realise you've seen her kind of eyes watching you from underneath a rock.

19 seconds sound clip from the 101 Dalmatians (1961) movie soundboard.

You can hear this line at 00:15:12 in the Blu-ray version of the movie.

Quote context

[...]

- I've got to run, darling. Let me know when the puppies arrive. You will, won't you, dear?

- Yes, Cruella.

- Now, don't forget, it's a promise.

- See you in three weeks. Cheerio. Cheerio, darling.

- Oh!

- At first you think Cruella is a devil, but after time has worn away the shock, you come to realise you've seen her kind of eyes watching you from underneath a rock.

- You're no help.

- This vampire bat, this inhuman beast, she ought to be locked up and never released.

- The world was such a wholesome place until Cruella, Cruella De Vil.

- Roger, you are an idiot!

[...]