A child in class, when asked to draw a picture of the Holy Family, produced a picture in which Mary and the baby sat on a recognisably donkeyish steed, led by Joseph. on the ground nearby lay a black blob.
"What is that?" asked the teacher. "The flea," answered the artist.
"What flea, dear?" asked the puzzled teacher.
"The one the Angel told Joseph to take."
Eventually, puzzled but not liking to challenge an imaginative child, the teacher checked out her Bible. And there it was : Matthew 2:13 "......the angel of the Lord saying, Arise, and take the young child and his mother, and flee into Egypt..........."