When in doubt, Jesus’ example can always be used.
“He was oppressed and He was afflicted, Yet He opened not His mouth; He was led as a lamb to the slaughter, And as a sheep before its shearers is silent, So He opened not His mouth.” Isaiah 53:7
The Bible says,
“You shall not bear false witness against your neighbor.” Exodus 20:16 (NKJV)
“But the cowardly, unbelieving, abominable, murderers, sexually immoral, sorcerers, idolaters, and all liars shall have their part in the lake which burns with fire and brimstone, which is the second death.” Revelation 21:4
“Bear False Witness- To lie about or misrepresent the truth about some event, person, or thing. In common usage, it usually refers to perjury (telling a lie while under oath in a court of law) or to the Ninth Commandment in the Bible, from which the phrase is taken: "Thou shalt not bear false witness against thy neighbor."Even if it is a small lie and seems harmless, if you bear false witness under oath, you may endup going to jail yourself.” See
bear false witness
There are many other Bible Verses that speak against lying, false report, false witness. For example:
“You shall not circulate a false report. Do not put your hand with wicked to be an unrighteous witness.” Exodus 23:1
“He who speaks truth declares righteousness, But a false witness, deceit.” Proverbs 12:17
“A faithful witness does not lie, But a false witness will utter lies.” Proverbs 14:5
“These six things the Lord hates, Yes, seven are an abomination to Him: A proud look, A lying tongue, Hands that shed innocent blood, A heart that devises wicked plans, Feet that are swift in running to evil, A false witness who speaks lies, And one who sows discord among brethren.” Proverbs 16:19
“A false witness will not go unpunished, And he who speaks lies will not escape.” Proverbs 19:5
“A false witness will not go unpunished, And he who speaks lies shall perish.” Proverbs 19:9
“A false witness shall perish, But the man who hears
him will speak endlessly.” Proverbs 21:28
“A man who bears false witness against his neighbor
Is like a club, a sword, and a sharp arrow.” Proverbs 25:18
“For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies.” Matthew 15:19
“He said to Him, “Which ones?” Jesus said, “‘You shall not murder,’ ‘You shall not commit adultery,’ ‘You shall not steal,’ ‘You shall not bear false witness,’” Matthew 19:18
“You know the commandments: ‘Do not commit adultery,’ ‘Do not murder,’ ‘Do not steal,’ ‘Do not bear false witness,’ ‘Do not defraud,’ ‘Honor your father and your mother.’ ” Mark 10:19
“You know the commandments: ‘Do not commit adultery,’ ‘Do not murder,’ ‘Do not steal,’ ‘Do not bear false witness,’ ‘Honor your father and your mother.’ ” Luke 18:20
“For the commandments, “You shall not commit adultery,” “You shall not murder,” “You shall not steal,” “You shall not bear falsewitness,” “You shall not covet,” and if
there is any other commandment, are
all summed up in this saying, namely, “You shall love your neighbor as yourself.” Romans 13:9