A cowboy came through town one day, and he got big ideas.

6 seconds sound clip from the Dark Command (1940) movie soundboard.

You can hear this line at 00:08:55 in the Blu-ray version of the movie.

Quote context

[...]

- That's right, dear. Just follow your father's example. He never forgets himself.

- Well, I'm gonna tote a gun, and no one's gonna take it and offend me.

- Where in the world did you pick up such language?

- Tote, offen.

- Give me that gun.

- A cowboy came through town one day, and he got big ideas.

- He's been wanting to tote carry a gun ever since.

- I just saw a ruffian with a gun. He was no match for will Cantrell, who merely used his brain.

- Yes, but...

- Oh, hush. Now, not another word out of you.

- Go along. Stop aggravating your father.

[...]