Colossians 3:9 - Do not lie to each other, since you have taken off your old self with its practices,

Colossians 3:10 - and have put on the new self, which is being renewed in knowledge in the image of its Creator.

Leviticus 19:12 "Do not swear falsely by my name and so profane the name of your God.  I am the Lord."

Proverbs 25:18 - Like a club or a sword or a sharp arrow is the man who gives false testimony against his neighbour.

Proverbs 14:5 - A truthful witness does not deceive, but a false witness pours out lies.

Proverbs 19:5 - A false witness will not go unpunished, and he who pours out lies will not go free.

Proverbs 19:9 -  A false witness will not go unpunished, and he who pours out lies will perish.

Proverbs 24:28 - Do not testify against your neighbour without cause, or use your lips to deceive.

Proverbs 12:19 - Truthful lips endure for ever, but a lying tongue lasts only a moment.

Revelation 21:8 - But the cowardly, the unbelieving, the vile, the murderers, the sexually immoral, those who practice magic arts, the idolaters and all liars-their place will be in the fiery lake of burning sulphur.  This is the second death.