I don't think this has been mentioned yet on this thread. In the Trail of the Pink Panther, this scene took place.
Taxi Driver: Lady, the gun he showed me was a .38 Magnum.
Marie Jouvet: I don't know anything about guns.
Taxi Driver: Well, that gun makes enormous holes in things. I had a choice of kidnapping you, and getting shot with that gun. And to be perfectly frank, I would look terrible and feel worse with an enormous hole in me."