I've explained to them that you have my permission to visit Earth whenever you choose.
6 seconds sound clip from the Forbidden Planet (1956) movie soundboard.
You can hear this line at 00:25:46 in the Blu-ray version of the movie.
Quote context
[...]
- Well, I'm not that harmless.
- Alta.
- These gentlemen have expressed a very kindly concern over the amount of liberty you have.
- Liberty?
- I've explained to them that you have my permission to visit Earth whenever you choose.
- Then my little girl never feels lonely or confined?
- Why, I don't know. I have you and Robby and all my friends.
- Friends?
[...]