Proverbs 12:17
"He that speaketh truth sheweth forth righteousness: but a false witness deceit."
Cross References (ranked by relevance)
A faithful witness will not lie: but a false witness will utter lies.
A true witness delivereth souls: but a deceitful witness speaketh lies.
A false witness that speaketh lies, and he that soweth discord among brethren.
Be not a witness against thy neighbour without cause; and deceive not with thy lips.
An ungodly witness scorneth judgment: and the mouth of the wicked devoureth iniquity.
A false witness shall perish: but the man that heareth speaketh constantly.
For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:
A false witness shall not be unpunished, and he that speaketh lies shall not escape.
Now the chief priests, and elders, and all the council, sought false witness against Jesus, to put him to death;
And set up false witnesses, which said, This man ceaseth not to speak blasphemous words against this holy place, and the law:
Having a good conscience; that, whereas they speak evil of you, as of evildoers, they may be ashamed that falsely accuse your good conversation in Christ.