Harry Wormwood had unintentionally given his daughter the first practical advice she could use.
6 seconds sound clip from the Matilda (1996) movie soundboard.
You can hear this line at 00:10:52.802 in the Blu-ray version of the movie.
Quote context
[...]
- And the fourth cost $1100. I sold it for 7839 big American boffos.
- What was my profit for the day?
- Could you repeat the last one...?
- $10265. Check it if you don't believe me.
- You're a little cheat. You saw the paper.
- Are you being smart with me? If yo're being smart with me, young lady, you're gonna be punished.
- When a person is bad, that person has to be taught a lesson.
- Person?
- Harry Wormwood had unintentionally given his daughter the first practical advice she could use.
- He meant to say, When a child is bad. Instead he said, When a person is bad.
- Michael, come in to my room.
- What?
[...]