Those candles could be poison, so don't light them.
6 seconds sound clip from the The Kid with the Golden Arm movie soundboard.
You can hear this line at 00:44:21 in the DVD version of the movie.
Quote context
[...]
- We must not quarrel. We are in danger. It's everywhere.
- Oh. You scared me. I managed to escape from your blade, but I don't know how though.
- When this mission is finished, we'll continue where we left off.
- When this mission is finished, maybe we'll all be dead. I mean, could be.
- Gold, you're a hard mistress, you can kill and you can save.
- Those candles could be poison, so don't light them.
[...]