you can take (someone) out of (some place)

Someone can leave or be removed from a particular environment, but their behavior will still be influenced by their time there. Most commonly used in the full phrase: "You can take someone out of some place, but you can't take the place out of one." I still find myself using Pennsylvania slang, even though I moved away from there years ago. You can take the girl out of Philly, but you can't take the Philly out of the girl, I guess! I live in the city now, but I still wear my cowboy and listen to honky-tonk. You can take the man out of the country, but you can't take the country out of the man!