Now, easy, Doc.
3 seconds sound clip from the Forbidden Planet (1956) movie soundboard.
You can hear this line at 01:24:34 in the Blu-ray version of the movie.
Quote context
[...]
- Doc, will you talk some sense to this girl? I'm in over my head.
- So you took the brain boost, huh?
- You ought to see my new mind up there in lights. Bigger than his now.
- Morbius was too close to the problem.
- The Krell had completed their project.
- The big machine... no instrumentalities... true creation.
- Come on, Doc, let's have it.
[...]