- This is my creation.
- Yes, a criminal lunatic. It tried to kill you.

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

You can hear this line at 00:50:58.703 in the Blu-ray version of the movie.

Quote context

[...]

- There is nothing, do you hear me? Nothing more important to me than the success of this experiment. It's what I've worked for all my life.

- All right, Victor. I'll help you.

- I did it, Paul.

- This thing must be destroyed before it regains consciousness. Do you hear me?

- What did you say?

- You must destroy this thing now.

- Don't you see? I've succeeded!

- Succeeded? Yes, nearly succeeded in getting yourself killed.

- This is my creation.

- Yes, a criminal lunatic. It tried to kill you.

- That's the brain. When you attacked me, it was damaged. That makes it your fault. Your fault that it is not what I intended it to be.

- I can repair the brain.

- It's what I've done that counts. I've created a being.

- You promised to destroy it.

- When I've carried out my research.

[...]