As though his ape's brain could contain the secrets of the Krell.
6 seconds sound clip from the Forbidden Planet (1956) movie soundboard.
You can hear this line at 01:25:42 in the Blu-ray version of the movie.
Quote context
[...]
- The fool. The meddling idiot.
- As though his ape's brain could contain the secrets of the Krell.
- He was warned, and now he's paid.
- Let him be buried with the other victims of human greed and folly.
- Morbius you wanted me to make a choice. Now you've chosen for me.
[...]