Perhaps you'd better not tell me what you consider so important.

3 seconds sound clip from the The Curse of Frankenstein movie soundboard.

You can hear this line at 00:04:50.217 in the Blu-ray version of the movie.

Quote context

[...]

- I sent for you because I could think of nobody else.

- People trust you. They listen to what you tell them.

- Now listen to me, and when I've finished you can pass it on to them. Then, perhaps, they'll believe me.

- I have to tell you, you just listen!

- I'm sorry. If you think my word will carry any authority, I'm afraid you are mistaken.

- Perhaps you'd better not tell me what you consider so important.

- You'll stay.

- Take your hands off me.

- Tell me you'll stay.

- Do you want me to call the guard?

- I apologize. Please, sit down. I said I apologize. I'll not forget myself again.

- As you wish.

- Unless I can convince you that what I'm about to tell you is the absolute truth, then in one hour from now I shall be dead. And then, perhaps, you'll understand.

[...]