Q. 83. What is required in the ninth commandment?
A. The ninth commandment requires the maintaining and promoting of truth between man and man, and of our own and our neighbor’s good name, especially in witness bearing.
These are the things that you shall do: Speak the truth to one another; render in your gates judgments that are true and make for peace;
But Paul said, “I am standing before Caesar’s tribunal, where I ought to be tried. To the Jews I have done no wrong, as you yourself know very well.
A good name is better than precious ointment,
and the day of death than the day of birth.
Demetrius has received a good testimony from everyone, and from the truth itself. We also add our testimony, and you know that our testimony is true.
3 John 1:12
A faithful witness does not lie,
but a false witness breathes out lies.
A truthful witness saves lives,
but one who breathes out lies is deceitful.