Q. 76 Which is the ninth commandment? A. The ninth commandment is, Thou shalt not bear false witness against thy neighbour. Q. 77 What is required in the ninth commandment? A. The ninth commandment requireth the maintaining and promoting of truth between man and man, and of our own and our neighbour's good name, especially in witness bearing. Q. 78 What is forbidden in the ninth commandment? A. The ninth commandment forbiddeth whatsoever is prejudicial to truth, or injurious to our own or our neighbour's good name. Bearing false witness is really quite a nasty thing to do! You ought to hate all sins that have anything to do with this sin.