Good. I trust you will prove your gratitude by re-doubling your zeal.
6 seconds sound clip from the Mr. Topaze (1961) movie soundboard.
You can hear this line at 00:23:02 in the Blu-ray version of the movie.
Quote context
[...]
- Do you think his aunt would be prepared to accept these conditions?
- Well, I would think in all probability, yes, Headmaster.
- Yes. Well, he sounds a very promising pupil. And obviously one from the upper strata of society.
- And since you have been so imprudent to commit yourself, I suppose I must support you.
- I'm deeply grateful to you, Headmaster.
- Good. I trust you will prove your gratitude by re-doubling your zeal.
- And above all, more discipline, Mr Topaze, more discipline.
- You may count on me, Headmaster.
- Good. I am pleased with you, my friend.
[...]