The Deck of Cards

Ace - There is only one God.
2 - The Bible is divided into two testaments.
3 - Trinity: Father, Son and Holy Spirit.
4 - The four saints: Matthew, Mark, Luke and John.
5 - The five wise virgins with the oil lamps.
6 - Six days of Creation.
7 - And on seventh day, God rested.
8 - Only eight people were spared from the Flood.
9 - The nine lepers who were healed, but never thanked.
10 - The Ten Commandments.
King - God is the Almighty King.
Queen - Blessed be the Virgin Mary.
Jack - The Devil.

Thanks to Mr. Dennis for this nice piece of information.

Update: Links to: the story and the song.