. . . Or I'll Shoot Your Dog

Centurion: alert the crew that we are approaching Earth.
Yes, Master.
We'll dock in the middle of that city.
Won't we be spotted? I mean, we're an Arcturan star cruiser.
Have no fear. The new design of our craft is perfect. The humans will never even see us. We'll be. . . invisible.
It is somewhat unconventional, isn't it, master?
You think? The ship was built to look like machinery in one of their many abandoned auto factories. We'll fit right in!
As they say, when in Rome, do as the. . .
Enough of that! We're not going to Rome, Centurion. Not even close.
It's just a figure of speech, Master.
Learn another. And say nice things about Detroit, or. . .
Or what? I mean I do, I do! All the time!