A Christian family was at a pet store when the owner suggested that they get a Bible Dog.
Family: Bible Dog?
Owner: Watch. Bible Dog pray! (Bible Dog starts praying.)

Owner: Bible Dog read! (Bible Dog starts reading scripture.)
Family: We'll take him.

One week later the family hosts a party. The family shows off the Bible Dog by doing the same tricks that the owner showed them. One of the guests say that's fine, but can he do normal tricks.

Family: Bible Dog sit! (Nothing happens.)
Family: Bible Dog come! (Nothing happens.)

Family: Bible Dog heel!
Bible Dog stands on his two feet and lays a hand on one of the family's head and says, "You've been saved!!!"