Look, I admit he isn't a particularly good-looking specimen at present, but don't forget, one's facial character is built up by what lies behind it... in the brain.
9 seconds sound clip from the The Curse of Frankenstein movie soundboard.
You can hear this line at 00:32:47.492 in the Blu-ray version of the movie.
Quote context
[...]
- Victor, I appeal to you. Stop what you're doing before it's too late.
- Doctors rob for the eventual good of mankind.
- This can never end in anything but evil.
- A benevolent mind, and the face assumes the patterns of benevolence.
- An evil mind, then an evil face.
- For this the brain of a genius will be used.
[...]