That's right. She'll be perfectly safe.
5 seconds sound clip from the Sleeping Beauty (1959) movie soundboard.
You can hear this line at 00:12:29 in the Blu-ray version of the movie.
Quote context
[...]
- I'll turn her into a flower.
- Oh, she'd make a lovely flower.
- Don't you see? A flower can't prick its finger. It hasn't any.
- That's right. She'll be perfectly safe.
- Until Maleficent sends a frost.
- She always ruins your nicest flowers.
- And she'll be expecting us to do something like that.
[...]