Honesty & lying

Put off falsehood and speak truthfully to your neighbour.

Therefore each of you must put off falsehood and speak truthfully to his neighbor, for we are all members of one another.
Ephesians 4:25

Lying lips are detestable to the LORD, but those who deal faithfully are His delight.
Proverbs 12:22

Do not lie to one another, since you have taken off the old self with its practices, and have put on the new self, which is being renewed in knowledge in the image of its Creator.
Colossians 3:9–10

You shall not bear false witness against your neighbor.
Exodus 20:16

A Psalm of David. O LORD, who may abide in Your tent? Who may dwell on Your holy mountain? He who walks with integrity and practices righteousness, who speaks the truth from his heart,
Psalm 15:1–2

There are six things that the LORD hates, seven that are detestable to Him: haughty eyes, a lying tongue, hands that shed innocent blood, a heart that devises wicked schemes, feet that run swiftly to evil, a false witness who gives false testimony, and one who stirs up discord among brothers.
Proverbs 6:16–19