Sure, old men getting childish shouldn't play with knives.
5 seconds sound clip from the Anna Christie (1930) movie soundboard.
You can hear this line at 01:07:20 in the DVD version of the movie.
Quote context
[...]
- Is it throwing insults at the men in the stokehold you are, you old ape?
- One of them is worth any 10 squareheads ever shipped on a windbag.
- So you don't like the Irish, you old baboon?
- Sure, old men getting childish shouldn't play with knives.
- Faith, I've half a mind to hit you a clout will put sense in your square head.
- Hello, Matt. Are you here already?
- Say, what's up? How did that chair get knocked over?
[...]