James 4:11

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

1 Peter 2:1

Therefore, ridding yourselves of all malice and all deceit and hypocrisy and envy and all slander,

Psalm 140:11

Do not let a {slanderer} be established in the land; as for [the] man of violence, let evil hunt him quickly.

James 5:9

Brothers, do not complain against one another, in order that you may not be judged. Behold, the judge stands before the doors!

Matthew 7:1-2

"Do not judge, so that you will not be judged.

Luke 6:37

"And do not judge, and you will never be judged. And do not condemn, and you will never be condemned. Pardon, and you will be pardoned.

Romans 2:1

Therefore you are without excuse, O man, every one [of you] who passes judgment. For in that which you pass judgment on someone else, you condemn yourself, for you who are passing judgment are doing the same [things].

Romans 2:13

For it is not the hearers of the law [who are] righteous in the sight of God, but the doers of the law will be declared righteous.

Romans 7:7

What then shall we say? [Is] the law sin? May it never be! But I would not have known sin except through the law, for I would not have known covetousness if the law had not said, "Do not covet."

Romans 7:12-13

So then, the law [is] holy, and the commandment [is] holy and righteous and good.

Romans 14:3-4

The one who eats must not despise the one who does not eat, and the one who does not eat must not judge the one who eats, because God has accepted him.

Romans 14:10-12

But why do you judge your brother? Or also, why do you despise your brother? For we will all stand before the judgment seat of God.

1 Corinthians 4:5

Therefore do not judge anything before the time, until the Lord should come, who will both enlighten the hidden things of darkness and will reveal the counsels of hearts, and then praise will come to each one from God.

2 Corinthians 12:20

For I am afraid lest somehow [when I] arrive, I will not find you as I want, and I may be found by you as you do not want. [I am afraid] lest somehow [there will be] strife, jealousy, outbursts of anger, selfish ambition, slander, gossip, pride, disorder.

Ephesians 4:31

All bitterness, and rage, and wrath, and clamor, and abusive speech, must be removed from you, together with all wickedness.

1 Timothy 3:11

The wives likewise [must be] dignified, not slanderous, temperate, faithful in all [things].

2 Timothy 3:3

hardhearted, irreconcilable, slanderous, without self-control, savage, with no interest for what is good,

Titus 2:3

Older women likewise [are to be] reverent in [their] behavior, not slanderous, not enslaved to much wine, teaching what is good,

James 1:22-23

But be doers of the message and not hearers only, deceiving yourselves,

James 1:25

But the one who looks into the perfect law of liberty and continues [to do it], not being a forgetful hearer but a doer who acts, this one will be blessed {in what he does}.

Treasury of Scripture Knowledge

Summary

Speak not evil one of another, brethren. He that speaketh evil of his brother, and judgeth his brother, speaketh evil of the law, and judgeth the law: but if thou judge the law, thou art not a doer of the law, but a judge.

Speaketh evil of the law

General references

Bible References

And judgeth

Matthew 7:1
"Do not judge, so that you will not be judged.
Luke 6:37
"And do not judge, and you will never be judged. And do not condemn, and you will never be condemned. Pardon, and you will be pardoned.
Romans 2:1
Therefore you are without excuse, O man, every one [of you] who passes judgment. For in that which you pass judgment on someone else, you condemn yourself, for you who are passing judgment are doing the same [things].
Romans 14:3
The one who eats must not despise the one who does not eat, and the one who does not eat must not judge the one who eats, because God has accepted him.
1 Corinthians 4:5
Therefore do not judge anything before the time, until the Lord should come, who will both enlighten the hidden things of darkness and will reveal the counsels of hearts, and then praise will come to each one from God.

Speaketh evil of the law

Romans 7:7
What then shall we say? [Is] the law sin? May it never be! But I would not have known sin except through the law, for I would not have known covetousness if the law had not said, "Do not covet."

A doer

James 1:22
But be doers of the message and not hearers only, deceiving yourselves,
Romans 2:13
For it is not the hearers of the law [who are] righteous in the sight of God, but the doers of the law will be declared righteous.

General references

Exodus 20:16
"You shall not testify against your neighbor [with] a false witness.
Matthew 7:1
"Do not judge, so that you will not be judged.