Psalm 15:3

He who doesn't slander with his tongue, nor does evil to his friend, nor casts slurs against his fellow man;

Leviticus 19:16

"'You shall not go up and down as a slanderer among your people; neither shall you stand against the life of your neighbor. I am the LORD.

Exodus 23:1-33

"You shall not spread a false report. Do not join your hand with the wicked to be an unjust witness.

1 Samuel 24:11

Moreover, my father, behold, yes, see the skirt of your robe in my hand; for in that I cut off the skirt of your robe, and did not kill you, know and see that there is neither evil nor disobedience in my hand, and I have not sinned against you, though you hunt for my life to take it.

Psalm 101:5-8

I will silence whoever secretly slanders his neighbor. I won't tolerate one who is haughty and conceited.

Proverbs 22:10

Drive out the mocker, and strife will go out; yes, quarrels and insults will stop.

Proverbs 25:3

As the heavens for height, and the earth for depth, so the hearts of kings are unsearchable.

Isaiah 56:2

Blessed is the man who does this, and the son of man who holds it fast; who keeps the Sabbath from profaning it, and keeps his hand from doing any evil."

Jeremiah 9:4-9

"Take heed everyone of his neighbor, and do not trust in any brother; for every brother will utterly supplant, and every neighbor will go about with slanders.

Matthew 7:12

Therefore whatever you desire for men to do to you, you shall also do to them; for this is the Law and the Prophets.

Romans 1:30

slanderers, haters of God, insolent, arrogant, boastful, inventors of evil things, disobedient to parents,

Romans 12:17

Repay no one evil for evil. Respect what is honorable in the sight of all men.

Romans 13:10

Love does not harm a neighbor. Love therefore is the fulfillment of the law.

Titus 3:2

to speak evil of no one, not to be contentious, to be gentle, showing all humility toward all men.

James 4:11

Do not speak against one another, brothers. He who speaks against a brother or judges his brother, speaks against the law and judges the law. But if you judge the law, you are not a doer of the law, but a judge.

1 Peter 2:1-2

Putting away therefore all wickedness, and all deceit, and hypocrisy, and envy, and all slander,

3 John 1:11

Beloved, do not imitate that which is evil, but that which is good. He who does good is of God. He who does evil hasn't seen God.

Treasury of Scripture Knowledge

Summary

He that backbiteth not with his tongue, nor doeth evil to his neighbour, nor taketh up a reproach against his neighbour.

General references

Bible References

Backbiteth

Psalm 101:5
I will silence whoever secretly slanders his neighbor. I won't tolerate one who is haughty and conceited.
Leviticus 19:16
"'You shall not go up and down as a slanderer among your people; neither shall you stand against the life of your neighbor. I am the LORD.
Jeremiah 9:4
"Take heed everyone of his neighbor, and do not trust in any brother; for every brother will utterly supplant, and every neighbor will go about with slanders.
Romans 1:30
slanderers, haters of God, insolent, arrogant, boastful, inventors of evil things, disobedient to parents,
Titus 3:2
to speak evil of no one, not to be contentious, to be gentle, showing all humility toward all men.
James 4:11
Do not speak against one another, brothers. He who speaks against a brother or judges his brother, speaks against the law and judges the law. But if you judge the law, you are not a doer of the law, but a judge.
1 Peter 2:1
Putting away therefore all wickedness, and all deceit, and hypocrisy, and envy, and all slander,

Doeth

1 Samuel 24:11
Moreover, my father, behold, yes, see the skirt of your robe in my hand; for in that I cut off the skirt of your robe, and did not kill you, know and see that there is neither evil nor disobedience in my hand, and I have not sinned against you, though you hunt for my life to take it.
Isaiah 56:2
Blessed is the man who does this, and the son of man who holds it fast; who keeps the Sabbath from profaning it, and keeps his hand from doing any evil."
Matthew 7:12
Therefore whatever you desire for men to do to you, you shall also do to them; for this is the Law and the Prophets.
Romans 12:17
Repay no one evil for evil. Respect what is honorable in the sight of all men.
Romans 13:10
Love does not harm a neighbor. Love therefore is the fulfillment of the law.
3 John 1:11
Beloved, do not imitate that which is evil, but that which is good. He who does good is of God. He who does evil hasn't seen God.

Taketh up

Proverbs 22:10
Drive out the mocker, and strife will go out; yes, quarrels and insults will stop.
Proverbs 25:3
As the heavens for height, and the earth for depth, so the hearts of kings are unsearchable.

General references

Exodus 20:16
"You shall not give false testimony against your neighbor.