Colossians 3:13

bearing with each other, and forgiving each other, if any one have a complaint against another; even as Christ freely forgave you, do ye also freely forgive;

Ephesians 4:32

and be kind to one another, tenderhearted, forgiving one another, even as God in Christ forgave you.

Mark 11:25

And when ye stand praying, forgive, if ye have aught against any one, that your Father who is in heaven may also forgive you your trespasses.

Ephesians 4:2

with all humility and meekness, with longsuffering; bearing with one another in love,

James 2:13

For the judgment shall be without mercy to him that showed no mercy. Mercy glorieth against 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 ye forgive men their trespasses, your heavenly Father will also forgive you;

Matthew 18:15-17

Moreover, if thy brother sin, go and reprove him between thee and him alone. If he listen to thee, thou hast gained thy brother;

Matthew 18:21-35

Then came Peter, and said to him, Lord, how often shall my brother sin against me, and I forgive him? Until seven times?

Luke 5:20-24

And seeing their faith, he said, Man, thy sins have been forgiven thee.

Luke 6:35-37

But love your enemies, and do good and lend, despairing of no one; and your reward will be great, and ye will be sons of the Most High; for he is kind to the unthankful and wicked.

Luke 7:48-50

And he said to her, Thy sins have been forgiven.

Luke 11:4

and forgive us our sins, for even we ourselves forgive every one that is indebted to us; and lead us not into temptation.

Luke 17:3-4

Take heed to yourselves. If thy brother sin, rebuke him; and if he repent, forgive him.

Luke 23:34

And Jesus said, Father, forgive them! for they know not what they do. And they divided his garments, casting lots.

Romans 15:1-2

We then who are strong ought to hear the infirmities of the weak, and not to please ourselves.

Romans 15:7

Wherefore receive ye one another, as Christ received you to the glory of God.

1 Corinthians 6:7-8

Now therefore it is altogether an evil among you, that ye have suits against each other. Why do ye not rather submit to wrong? Why do ye not rather allow yourselves to be defrauded?

2 Corinthians 2:10

But to whom ye forgive anything, I forgive also; for what I have forgiven, if I have forgiven anything, for your sakes I forgave it in the person of Christ,

2 Corinthians 6:6

in pureness, in knowledge, in longsuffering, in kindness, in the Holy Spirit, in love unfeigned,

Galatians 6:2

Bear ye one anothers burdens, and thus fulfill the law of Christ.

Ephesians 5:2

and walk in love, as Christ also loved you, and gave himself for you an offering and a sacrifice to God, of a sweet odor.

Colossians 3:12

Clothe yourselves, therefore, as the chosen of God, holy and beloved, with compassionate affections, kindness, lowliness of mind, meekness, longsuffering;

1 Peter 2:21

For to this ye were called; because even Christ suffered for us, leaving you an example, that ye should follow his steps;

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
We then who are strong ought to hear the infirmities of the weak, and not to please ourselves.
2 Corinthians 6:6
in pureness, in knowledge, in longsuffering, in kindness, in the Holy Spirit, in love unfeigned,
Galatians 6:2
Bear ye one anothers burdens, and thus fulfill the law of Christ.
Ephesians 4:2
with all humility and meekness, with longsuffering; bearing with one another in love,

Quarrel

Matthew 18:15
Moreover, if thy brother sin, go and reprove him between thee and him alone. If he listen to thee, thou hast gained thy brother;
1 Corinthians 6:7
Now therefore it is altogether an evil among you, that ye have suits against each other. Why do ye not rather submit to wrong? Why do ye not rather allow yourselves to be defrauded?

General references

Matthew 6:14
For if ye forgive men their trespasses, your heavenly Father will also forgive you;
Ephesians 4:3
endeavoring to keep the unity of the Spirit in the bond of peace.
1 John 4:11
Beloved, if God so loved us, we also ought to love one another.