Psalm 103:8

The Lord is kind and full of pity, not quickly made angry, but ever ready to have mercy.

Exodus 34:6-7

And the Lord went past before his eyes, saying, The Lord, the Lord, a God full of pity and grace, slow to wrath and great in mercy and faith;

Numbers 14:18

The Lord is slow to wrath and great in mercy, overlooking wrongdoing and evil, and will not let wrongdoers go free; sending punishment on children for the sins of their fathers, to the third and fourth generation.

Nehemiah 9:17

And would not do them, and gave no thought to the wonders you had done among them; but made their necks stiff, and turning away from you, made a captain over themselves to take them back to their prison in Egypt: but you are a God of forgiveness, full of grace and pity, slow to wrath and great in mercy, and you did not give them up.

Joel 2:13

Let your hearts be broken, and not your clothing, and come back to the Lord your God: for he is full of grace and pity, slow to be angry and great in mercy, ready to be turned from his purpose of punishment.

Jonah 4:2

And he made prayer to the Lord and said, O Lord, is this not what I said when I was still in my country? This is why I took care to go in flight to Tarshish: for I was certain that you were a loving God, full of pity, slow to be angry and great in mercy, and ready to be turned from your purpose of evil.

Nahum 1:3

The Lord is slow to get angry and great in power, and will not let the sinner go without punishment: the way of the Lord is in the wind and the storm, and the clouds are the dust of his feet.

Isaiah 55:7

Let the sinner give up his way, and the evil-doer his purpose: and let him come back to the Lord, and he will have mercy on him; and to our God, for there is full forgiveness with him.

Jeremiah 32:18

You have mercy on thousands, and send punishment for the evil-doing of the fathers on their children after them: the great, the strong God, the Lord of armies is his name:

Romans 5:20-21

And the law came in addition, to make wrongdoing worse; but where there was much sin, there was much more grace:

Ephesians 1:7-8

In whom we have salvation through his blood, the forgiveness of our sins, through the wealth of his grace,

James 5:11

We say that those men who have gone through pain are happy: you have the story of Job and the troubles through which he went and have seen that the Lord was full of pity and mercy in the end.

Deuteronomy 5:10

And I will have mercy through a thousand generations on those who have love for me and keep my laws.

Treasury of Scripture Knowledge

Summary

The LORD is merciful and gracious, slow to anger, and plenteous in mercy.

General references

Bible References

Merciful

Exodus 34:6
And the Lord went past before his eyes, saying, The Lord, the Lord, a God full of pity and grace, slow to wrath and great in mercy and faith;
Numbers 14:18
The Lord is slow to wrath and great in mercy, overlooking wrongdoing and evil, and will not let wrongdoers go free; sending punishment on children for the sins of their fathers, to the third and fourth generation.
Deuteronomy 5:10
And I will have mercy through a thousand generations on those who have love for me and keep my laws.
Nehemiah 9:17
And would not do them, and gave no thought to the wonders you had done among them; but made their necks stiff, and turning away from you, made a captain over themselves to take them back to their prison in Egypt: but you are a God of forgiveness, full of grace and pity, slow to wrath and great in mercy, and you did not give them up.
Isaiah 55:7
Let the sinner give up his way, and the evil-doer his purpose: and let him come back to the Lord, and he will have mercy on him; and to our God, for there is full forgiveness with him.
Jeremiah 32:18
You have mercy on thousands, and send punishment for the evil-doing of the fathers on their children after them: the great, the strong God, the Lord of armies is his name:
Romans 5:20
And the law came in addition, to make wrongdoing worse; but where there was much sin, there was much more grace:
Ephesians 1:7
In whom we have salvation through his blood, the forgiveness of our sins, through the wealth of his grace,

Slow

Joel 2:13
Let your hearts be broken, and not your clothing, and come back to the Lord your God: for he is full of grace and pity, slow to be angry and great in mercy, ready to be turned from his purpose of punishment.
Jonah 4:2
And he made prayer to the Lord and said, O Lord, is this not what I said when I was still in my country? This is why I took care to go in flight to Tarshish: for I was certain that you were a loving God, full of pity, slow to be angry and great in mercy, and ready to be turned from your purpose of evil.
Nahum 1:3
The Lord is slow to get angry and great in power, and will not let the sinner go without punishment: the way of the Lord is in the wind and the storm, and the clouds are the dust of his feet.

General references

Lamentations 3:31
For the Lord does not give a man up for ever.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain