We have an obscure peasant saying in my country: 'Dead men tell no tales'.
9 seconds sound clip from Batman (1966) - A Death Worse Than Fate (S1E10) TV Series.
You can hear this line at 00:13:18 in the Blu-ray version of the movie.
Quote context
[...]
- Even I, Eivol Ekdal, with all my twisted Albanian genius. Even I cannot devise the answer.
- That is where Batman comes in.
- Oh, we lure him into the trap? Then he show us the way out?
- Exactly. We use him as our pawn.
- Even if Batman does work out the trick, how can I use it on stage when Batman knows?
- We have an obscure peasant saying in my country: 'Dead men tell no tales'.
- Ah... Gentlemen, welcome, gentlemen.
- Yes, yes. Show me the money.
- It's like fringe benefit. Another $100,000 I get for... What is the word? Fingering Batman.
[...]