Yeah that works.
I mean, you could maybe, I don't know, throw something in there to make the quote more effective, memorable.
"there's no fighting X. X is going to do Y, X has always done Y. There's nothing Z can do to stop it."
Something like that, just kind of throwing stuff out there.
It's your story, if you feel like it works, then it does.
Hell, I wrote an entire chapter devoted to dinosaur rape.