Proverbs 14:25
"A true witness delivereth souls: but a deceitful witness speaketh lies."
Cross References (ranked by relevance)
Proverbs 14:5
A faithful witness will not lie: but a false witness will utter lies.
2 Peter 3:3
Knowing this first, that there shall come in the last days scoffers, walking after their own lusts,
Acts 20:21
Testifying both to the Jews, and also to the Greeks, repentance toward God, and faith toward our Lord Jesus Christ.