Words of caution from Jesus himself

Cleaning the house is not sufficient in itself. 

You need to choose your new tenant wisely.

Swept out the house? 

Nice and clean and tidy? 

Spick and span? 

Empty? 

Mmm. 

Better watch out

(Wasn't that in Ghost-busters?)

http://blog.adw.org/2015/03/how-can-a-demon-driven-out-return-with-seven-more-a-meditation-on-a-puzzling-parable-of-jesus/