14 Bible Verses about Criticism, amongst believers

Indulge not in complaints against one another, brethren, lest you be condemned: behold, the judge stands before the door.

Judge not, that you may not be judged: for with what judgment you judge, you shall be judged: and with what measure you measure, it shall be measured to you. And why do you look at the splinter that is in your brother's eye, but perceive not the beam that is in your own eye?read more.
Or, how will you say to your brother, Let me pull out the splinter from your eye: and lo; a beam is in your own eye? Hypocrite! first pull the beam out of your own eye, and then you will see clearly to pull the splinter out of your brother's eye.

Judge not, and you shall not be judged; condemn not, and you shall not be condemned. Forgive, and you shall be for given. Give, and it shall be given to you; good measure, pressed down, shaken together, and running over, shall men give into your lap. For with the same measure with which you measure, it shall be measured to you in return. And he spoke a parable to them: Can the blind lead the blind? Will not both fall into the pit?read more.
The disciple is not above his teacher; but every accomplished disciple shall be as his teacher. And why do you look at the splinter that is in your brother's eye, but perceive not the beam that is in your own eye? Or, how can you say to your brother: Brother, let me pull out the splinter that is in your eye, when you yourself see not the beam that is in your own eye? Hypocrite, first pull the beam out of your own eye, and then you shall see clearly to pull out the splinter that is in your brother's eye.

Him that is weak in the faith, receive kindly, but not to judge his reasonings. One believes that he may eat all things; another, who is weak, eats herbs. Let not him that eats, despise him that eats not; and let not him that eats not, judge him that eats: for God has received him.read more.
Who are you that judge another man's servant? To his own master he stands or falls; indeed, he shall stand, for God is able to make him stand.

Nor do you murmur, as some of them also murmured, and were destroyed by the destroyer.

But if you bite and devour one another, take heed lest you be utterly destroyed by one another.

Do all things without murmurings and disputings, that you may be without reproach and Harmless, the children of God, without blame, in the midst of a wicked and perverse generation, among whom you shine as luminaries in the world, holding forth the word of life, that I may rejoice in the day of Christ, that I did not run in vain, nor labor in vain.

Do not speak evil one of another, brethren. He that speaks evil of his brother, and 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. There is one law-giver that is able to save, and to destroy: who are you that judge an other?

Now it is required in stewards, that each one be found faithful. But with me, it matters very little, that I should be judged by you, or by the judgment of men: indeed, I do not judge myself. For, though I am conscious of no wrong, yet by this I am not justified: but he that judges me is the Lord.read more.
So, then, judge nothing be fore the time, till the Lord comes, who will bring to light the secret works of darkness, and will also make manifest the counsels of the hearts: and then shall each have his praise from God.

Let no one judge you, therefore, in meat or in drink, or in respect to a feast, or the new moon, or sabbaths, which things are a shadow of things to come, but the substance is in Christ, Let no one gain his purpose in depriving you of the palm by an affected humility and worship of angels, prying into things which he has not seen, vainly puffed up by his fleshly mind,

And if your brother sin against you, go and tell him of his fault between you and him alone; if he hear you, you have gained your brother.

being careful for this that no one shall blame us in this abundance, which is ministered by us; for we provide what is honorable, not only in the sight of the Lord, but also in the sight of men.

in all things showing yourself an example of good works; in teaching, showing incorruptness, gravity, sound speech that can not be condemned; that he that is opposed may be ashamed, seeing he has no evil thing to say of us.

You will then say to me, Why does he yet find fault? For who has resisted his will? No, but rather, O man, who are you that dispute with God? Shall the thing formed say to him that formed, it, Why have you made me thus? Has not the potter power over the clay, to make from the same mass one vessel for honor, and another for dishonor?