Q78. What is forbidden in the ninth commandment?
The ninth commandment forbids whatever is harmful to truth or injurious to our own or our neighbor's good name.
Scripture Proofs — King James Version
1 Samuel 17:28
“And Eliab his eldest brother heard when he spake unto the men; and Eliab’s anger was kindled against David, and he said, Why camest thou down hither? and with whom hast thou left those few sheep in the wilderness? I know thy pride, and the naughtiness of thine heart; for thou art come down that thou mightest see the battle.”
Leviticus 19:16
“Thou shalt not go up and down as a talebearer among thy people: neither shalt thou stand against the blood of thy neighbour: I am the LORD.”
Psalm 15:3
“He that backbiteth not with his tongue, nor doeth evil to his neighbour, nor taketh up a reproach against his neighbour.”