14 Bible Verses about Criticism, amongst believers

Complain not, brothers, against one another, that you be not judged; behold, the judge stands before the doors.

Judge not, that you be not 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 see a speck in your brother's eye, and not consider a beam in your own eye?read more.
or how will you say to your brother, Let me cast out the speck from your eye, and behold a beam in your own eye? Hypocrite, cast out first the beam from your eye, and then will you see clearly to cast out the speck from your brother's eye.

and judge not, and you shall not be judged; and condemn not, and you shall not be condemned; release, and you shall be released; give, and it shall be given to you; good measure, pressed down, shaken together, running over, shall they give into your bosom. For with what measure you measure it shall be measured back to you. And he spoke also a parable to them; Can the blind lead the blind? Will not both fall into the pit?read more.
A disciple is not above his teacher, but every perfect one will be as his teacher. And why do you see the speck in your brother's eye, and observe not the beam in your own eye? How can you say to your brother, Brother, let me cast out the speck in your eye, and you yourself see not the beam in your own eye? Hypocrite, cast out first the beam from your eye, and then you will see clearly to cast out the speck from your brother's eye.

RECEIVE the weak in faith, not to doubtful reasonings. For one has faith to eat all things, but he that is weak eats vegetables. Let not him that eats despise him that eats not; and let not him that eats not judge him that eats; for God has accepted him.read more.
Who are you that judge another man's servant? To his master he stands or falls; and he shall be made to stand, for God is able to make him stand.

Neither do you complain as some of them complained and were destroyed by the destroyer.

But if you bite and devour one another, see that you be not consumed one by another.

Do all things without complainings and disputations, that you may be blameless and sincere, children of God without blame in the midst of a crooked and perverse generation, in which you shine as luminaries in the world, holding fast the word of life, for my glorying in the day of Christ, that I did not run in vain, nor labor in vain.

Speak not one against one another, brothers. He that 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. There is one law-giver and judge, who is able to save and to destroy; but who are you that judge a neighbor?

But, moreover, it is required of stewards that one should be found faithful. But it is of little account to me that I should be judged by you or by man's day [judgment]; but I judge not myself; for I am not conscious to myself [of wrong], but I am not on this account justified; but he that judges me is the Lord.read more.
Judge nothing therefore before the time, till the Lord comes, who will both bring to light the hidden deeds of darkness, and make known the purposes of the hearts; and then shall each one have praise from God.

Let no man therefore judge you in eating and in drinking, or in respect to a feast, or new moon, or sabbath, which are a shadow of things that were to come; but the body is Christ's. Let no one wishing [it] deprive you of your reward by humility and a worship of angels, intruding into what he has not seen, vainly puffed up by his carnal mind,

But if your brother sins against you, go and reprove him between you and him alone. If he hears you, you have gained your brother.

guarding against this, that no one may blame us in this abundance administered by us; for we provide things honorable not only before the Lord, but also before men.

presenting yourself as an example of good works in all things, in teaching [exhibiting] integrity, gravity, sound argument not to be condemned, that the adversary may be ashamed, having nothing evil to say of us.

You will say to me then, Why then does he yet find fault? for who has resisted his will? Yes indeed, O man, who are you that reply against God? Shall the work say to him that made it, Why did you make me thus? or has not the potter a right, in respect to the clay, to make of the same mass one vessel to honor and another to dishonor?