Throwing brambles at a policeman on duty is an offense punishable at law.
7 seconds sound clip from the The Man Who Could Work Miracles (1954) movie soundboard.
You can hear this line at 00:14:27 in the DVD version of the movie.
Quote context
[...]
- Who do you think you're throwing brambles at, you fool? You might have blinded me.
- What do you mean by it? Assaulting an officer of the law.
- Well, I'm very sorry. The fact is that I...
- Well, I really didn't mean to...
- Throwing brambles at a policeman on duty is an offense punishable at law.
- I'll be troubling you for your name and address, young man.
- Oh, fear me. It really is a very powerful gift.
- I didn't mean the poor man any harm.
- I wonder what Hades is like.
[...]