Matthew 18:35

So also my heavenly Father will do to each of you, if you do not forgive your brother from your heart."

Matthew 6:14-15

For if you forgive men their trespasses, your heavenly Father will also forgive you.

James 2:13

For judgment will be without mercy to one who has shown no mercy; mercy triumphs over judgment.

Matthew 6:12

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

Matthew 7:1-2

"Judge not, that you be not judged.

Mark 11:25

And whenever you stand praying, if you have anything against anyone, forgive him, so that your Father in heaven may also forgive you your trespasses.

Luke 6:37-38

"Judge not, and you will not be judged. Condemn not, and you will not be condemned. Forgive, and you will be forgiven.

Luke 16:15

He said to them, "You are those who justify yourselves before men, but God knows your hearts. For what is highly esteemed among men is an abomination in the sight of God.

James 3:14

But if you have bitter jealousy and selfish ambition in your hearts, do not boast and be false to the truth.

James 4:8

Draw near to God and he will draw near to you. Cleanse your hands, you sinners, and purify your hearts, you double-minded.

Revelation 2:23

And I will strike her children dead. And all the churches shall know that I am he who searches minds and hearts, and I will give to each of you according to your works.

Treasury of Scripture Knowledge

Summary

So likewise shall my heavenly Father do also unto you, if ye from your hearts forgive not every one his brother their trespasses.

Bible References

Do

Matthew 6:12
And forgive us our debts, as we also have forgiven our debtors.
Matthew 7:1
"Judge not, that you be not judged.
Mark 11:26
(...)
Luke 6:37
"Judge not, and you will not be judged. Condemn not, and you will not be condemned. Forgive, and you will be forgiven.
James 2:13
For judgment will be without mercy to one who has shown no mercy; mercy triumphs over judgment.

From

Luke 16:15
He said to them, "You are those who justify yourselves before men, but God knows your hearts. For what is highly esteemed among men is an abomination in the sight of God.
James 3:14
But if you have bitter jealousy and selfish ambition in your hearts, do not boast and be false to the truth.
James 4:8
Draw near to God and he will draw near to you. Cleanse your hands, you sinners, and purify your hearts, you double-minded.
Revelation 2:23
And I will strike her children dead. And all the churches shall know that I am he who searches minds and hearts, and I will give to each of you according to your works.