My dear Topaze, my dear Albert, you are completely mistaken.

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

You can hear this line at 01:01:39 in the Blu-ray version of the movie.

Quote context

[...]

- Madam, it seems strange to me that people should offer such a well-paid position to a man who is incapable of fulfilling it.

- But I've told you...

- You've not told me everything. There's something you're hiding from me, and I know, I think, what it is.

- What are you talking about?

- Madam, I feel that this story of a company is a disguised way of... Well, of offering me charity.

- My dear Topaze, my dear Albert, you are completely mistaken.

- I give you my word of honour that you can truly render me great services. Can't he?

- Yes, he can.

- Really on your word of honour?

- I trust you like my own brother. There!

- Well, I'm so happy.

[...]