Spare the rod, spoil the child.
4 seconds sound clip from the V for Vendetta movie soundboard.
You can hear this line at 00:05:34 in the Blu-ray version of the movie.
Quote context
[...]
- No, please, I didn't know. I'm sorry.
- Not yet you're not. But you will be.
- Oh, God, no. Please don't do this. I'll go home. I won't do it again, I swear! Please!
- Spare the rod, spoil the child.
- The multiplying villainies of nature do swarm upon him.
- Disdaining fortune, with his brandish'd steel which smoked with bloody execution.
[...]