Colossians 3:13

putting up with one another and forgiving one another. If anyone should have a complaint against anyone, just as also the Lord forgave you, thus also you [do the same].

Ephesians 4:32

Become kind toward one another, compassionate, forgiving one another, just as also God in Christ has forgiven you.

Mark 11:25

And whenever you stand praying, if you have anything against anyone, forgive [him], so that your Father who [is] in heaven will also forgive you your sins."

Ephesians 4:2

with all humility and gentleness, with patience, putting up with one another in love,

James 2:13

For judgment [is] merciless to the one who has not practiced mercy. Mercy triumphs over judgment.

Matthew 5:44

But I say to you, love your enemies and pray for those who persecute you,

Matthew 6:12

and forgive us our debts, as we also have forgiven our debtors.

Matthew 6:14-15

For if you forgive people their sins, your heavenly Father will also forgive you.

Matthew 18:15-17

"Now if your brother sins against you, go correct him between you and him alone. If he listens to you, you have gained your brother.

Matthew 18:21-35

Then Peter came up to him [and] said, "Lord, how many times will my brother sin against me and I will forgive him? Up to seven times?"

Luke 5:20-24

And [when he] saw their faith, he said, "Friend, your sins are forgiven you."

Luke 6:35-37

But love your enemies, and do good, and lend expecting back nothing, and your reward will be great, and you will be sons of the Most High, because he is kind to the ungrateful and wicked.

Luke 7:48-50

And he said to her, "Your sins are forgiven."

Luke 11:4

And forgive us our sins, for we ourselves also forgive everyone who is indebted to us. And do not lead us into temptation."

Luke 17:3-4

"Be concerned about yourselves! If your brother sins, rebuke him, and if he repents, forgive him.

Luke 23:34

[[But Jesus said, "Father, forgive them, for they do not know what they are doing."]] And they cast lots to divide his clothes.

Romans 15:1-2

But we who are strong ought to bear the weaknesses of the weak, and not to please ourselves.

Romans 15:7

Therefore accept one another, just as Christ also has accepted you, to the glory of God.

1 Corinthians 6:7-8

Therefore it is already completely a loss for you that you have lawsuits with one another. Why not rather be wronged? Why not rather be defrauded?

2 Corinthians 2:10

Now to whomever you forgive anything, I also [do]; for indeed, whatever I have forgiven, if I have forgiven anything, [it is] {for your sake} in the presence of Christ,

2 Corinthians 6:6

in purity, in knowledge, in patience, in kindness, in the Holy Spirit, in love without hypocrisy,

Galatians 6:2

Carry the burdens of one another, and so fulfill the law of Christ.

Ephesians 5:2

and live in love, just as also Christ loved us, and gave himself for us an offering and sacrifice to God for a fragrant smell.

Colossians 3:12

Therefore, as [the] chosen of God, holy and [dearly] loved, put on affection, compassion, kindness, humility, gentleness, patience,

1 Peter 2:21

For to this you were called, because Christ also suffered for you, leaving you an example, so that you should follow in his footsteps,

Treasury of Scripture Knowledge

Summary

Forbearing one another, and forgiving one another, if any man have a quarrel against any: even as Christ forgave you, so also do ye.

Bible References

Forbearing

Romans 15:1
But we who are strong ought to bear the weaknesses of the weak, and not to please ourselves.
2 Corinthians 6:6
in purity, in knowledge, in patience, in kindness, in the Holy Spirit, in love without hypocrisy,
Galatians 6:2
Carry the burdens of one another, and so fulfill the law of Christ.
Ephesians 4:2
with all humility and gentleness, with patience, putting up with one another in love,

Quarrel

Matthew 18:15
"Now if your brother sins against you, go correct him between you and him alone. If he listens to you, you have gained your brother.
1 Corinthians 6:7
Therefore it is already completely a loss for you that you have lawsuits with one another. Why not rather be wronged? Why not rather be defrauded?

General references

Matthew 6:14
For if you forgive people their sins, your heavenly Father will also forgive you.
Ephesians 4:3
being eager to keep the unity of the Spirit in the bond of peace;
1 John 4:11
Dear friends, if God loved us in this way, we also ought to love one another.