Lesson # 79–81—The Tenth Commandment aaa Shorter Catechism Q & A # 79 (Memorize) Q. Which is the tenth commandment? A. The tenth commandment is, Thou shalt not covet thy neighbour’s house, thou shalt not covet thy neighbour’s wife, nor his man-servant, nor his maid-servant, nor his ox, nor his ass, nor ...