“And she brought forth her first-born son, and wrapped him up in swaddling-clothes, and laid him in a manger: because there was no room for them in the inn.” (Luke 2, 7)
“And this shall be a sign unto you: You shall find the infant wrapped in swaddling-clothes, and laid in a manger.” (Luke 2, 12)
http://callmejorgebergoglio.blogspot.jp/2017/12/francis-knows-better-than-st-luke.html