I've always found Kay was able to take care of herself.
3 seconds sound clip from the Creature from the Black Lagoon (1954) movie soundboard.
You can hear this line at 00:17:58.369 in the Blu-ray version of the movie.
Quote context
[...]
- Well, there's just one thing, going into unexplored territory with a woman.
- I'm not afraid, David, and we've come this far.
- Yeah, I know, but I keep remembering what happened to Carl's men.
- That doesn't sound like the dedicated scientist talking, David.
- Dedication doesn't mean risking the lives of others.
- I've always found Kay was able to take care of herself.
- But we know nothing about this lagoon.
- I didn't mean to startle you.
- I don't know what made me do that.
[...]