I always keep my important documents under lock and key because one can never be too sure.
8 seconds sound clip from the A Shot in the Dark (1964) movie soundboard.
You can hear this line at 00:31:10.210 in the Blu-ray version of the movie.
Quote context
[...]
- I mean, you can't have a contemporary prison without, uh, contemporary furniture.
- Yes. Well, that's my opinion, anyway.
- Oh. And the same to you, Superintendent. Filthy swine.
- You're not at all like a policeman.
- I always keep my important documents under lock and key because one can never be too sure.
- Oh. Oh, uh... Excuse me. Stupid.
- Now, um... Miss Gambrelli, your dossier contains some very, very interesting facts.
- It seems that you have known this Miguel Ostos for quite some time.
- Yes.
- And were you in love with him?
- Yes.
- You're in love with the man that raped you?
[...]