Colossians 3:13

(bearing with one another, and freely forgiving one another, if any one have a complaint against any; even as the Lord freely forgave you, so also do ye):

Ephesians 4:32

and become kind to one another, tender-hearted, forgiving one another, even as God also in Christ forgave you.

Mark 11:25

And whensoever ye stand praying, forgive, if ye have aught against any; that your Father also Who is in Heaven may forgive you your trespasses."

Ephesians 4:2

with all humility and meekness, with long-suffering, bearing with one another in love;

James 2:13

For the judgment is without mercy to him who showed no mercy: mercy exults 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 ye forgive men their trespasses, your Heavenly Father will also forgive you;

Matthew 18:15-17

"And, if your brother sin against you, go show him his fault between you and him alone. If he hear you, you gained your brother;

Matthew 18:21-35

Then Peter, coming near, said to Him, "Lord, how often shall my brother sin against me, and I forgive him? till seven times?"

Luke 5:20-24

And, beholding their faith, He said, "Man, your sins are forgiven you."

Luke 6:35-37

"But love your enemies; and do good, and lend, hoping for nothing in return; and your reward will be great, and ye will be sons of the Most High; because He is kind to the unthankful and evil.

Luke 7:48-50

And He said to her, "Your sins have been forgiven."

Luke 11:4

and forgive us our sins; for we also ourselves forgive every one indebted to us. And bring us not into temptation.'"

Luke 17:3-4

Take heed to yourselves. If your brother sins, rebuke him; and, if he repents, forgive him.

Luke 23:34

And Jesus said, "Father, forgive them; for they know not what they do!" And, dividing His garments among them, they cast lots.

Romans 15:1-2

Now we, the strong, ought to bear the infirmities of the weak, and not to please ourselves.

Romans 15:7

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

1 Corinthians 6:7-8

Already, therefore, it is wholly a loss to you, that ye have law-suits one with another! Why not rather suffer wrong? Why not rather be defrauded?

2 Corinthians 2:10

And to whom ye forgive anything, I forgive also; for what I also have forgiven??f I have forgiven anything??or your sakes have I forgiven it in the person of Christ;

2 Corinthians 6:6

in pureness, in knowledge, in long-suffering, in kindness, in the Holy Spirit, in love unfeigned,

Galatians 6:2

Bear ye one another's burdens, and so fulfill the law of Christ.

Ephesians 5:2

and walk in love, as Christ also loved you, and delivered Himself up for you, an offering and a sacrifice to God for an odor of sweet smell.

Colossians 3:12

Put on, therefore, as God's elect, holy and beloved, tender affections of compassion, kindness, humility, meekness, long-suffering;

1 Peter 2:21

For to this were ye called, because Christ also suffered for you, 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
Now we, the strong, ought to bear the infirmities of the weak, and not to please ourselves.
2 Corinthians 6:6
in pureness, in knowledge, in long-suffering, in kindness, in the Holy Spirit, in love unfeigned,
Galatians 6:2
Bear ye one another's burdens, and so fulfill the law of Christ.
Ephesians 4:2
with all humility and meekness, with long-suffering, bearing with one another in love;

Quarrel

Matthew 18:15
"And, if your brother sin against you, go show him his fault between you and him alone. If he hear you, you gained your brother;
1 Corinthians 6:7
Already, therefore, it is wholly a loss to you, that ye have law-suits one with another! Why not rather suffer wrong? Why not rather be defrauded?

General references

Matthew 6:14
"For, if ye forgive men their trespasses, your Heavenly Father will also forgive you;
Ephesians 4:3
earnestly 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.