That is very naughty. Whoever wrote that is a naughty boy.

— Auguste Topaze (Peter Sellers)

6 seconds sound clip from the Mr. Topaze (1961) movie soundboard.

You can hear this line at 00:28:35 in the Blu-ray version of the movie.

Quote context

[...]

- Oh, I wish I was dedicated as you are. I wish...

- May I tell you something? You talk too much.

- Yes. Let's be quiet. Let's... let's listen to the silence of the secret moments.

- When time flows softly beyond black horizons. Right?

- Tomorrow morning, Wednesday 23rd January, from 8:30 to 9:30, we will write an essay on behaviour and responsibility, so I want you please now to write the date of this essay in your exercise books.

(Children laughing)

- That is very naughty. Whoever wrote that is a naughty boy.

- I do not need to turn around to know that it is you who is disturbing the whole class.

- Leave the room. There's a good boy.

- Leave the room immediately.

- You heard me. Leave the room.

- Where is Kegusec?

[...]