I gather the facts, examine the clues, and before you know it, the case is solved.
8 seconds sound clip from the A Shot in the Dark (1964) movie soundboard.
You can hear this line at 00:15:11.920 in the Blu-ray version of the movie.
Quote context
[...]
- When I broke it open, I found Miguel where you see him now, and Maria with a gun in her hand.
- Did you have the gun in your hand? And was it still smoking?
- I suppose so, but... I don't know how it got there. I really don't.
- I will decide what is ridiculous.
- Monsieur, you surely don't believe...
- I believe everything. And I believe nothing. I suspect everyone. And I suspect no one.
- I gather the facts, examine the clues, and before you know it, the case is solved.
- Oh, yes. There is much here that does not meet the eye. That is quite obvious.
- But do not try to leave. Everyone in this household is under suspicion.
- Now, supposing you tell me what happened.
- He was having difficulty with the buttons.
[...]