His insane ambition to create life.
5 seconds sound clip from the Frankenstein (1931) movie soundboard.
You can hear this line at 00:12:43 in the Blu-ray version of the movie.
Quote context
[...]
- Why has he left the university? He was doing so well, and he seemed so happy with his work.
- In fact, they had reached a most advanced stage. They were becoming dangerous.
- Herr Frankenstein is greatly changed.
- You mean, changed as a result of his work?
- His insane ambition to create life.
- How? How? Please tell us everything, whatever it is.
- I told him that his demands were unreasonable, and so he left the university to work unhampered.
[...]