Bible Study Lesson

Mercy in the Old and New Testament

The holy compassion of God that forgives, restores, and calls His people to show the same mercy to others

26 Sections
OT + NT Full Coverage
Micah 7:18 Memory Verse
5 Application Questions

Key Doctrine

What the Bible Teaches About Mercy

Doctrine Statement

Mercy is the compassionate action of God toward the guilty, the suffering, the weak, and the undeserving. In Scripture, mercy is not the denial of sin or the removal of holiness, but the loving disposition of God to forgive, restore, help, and spare those who turn to Him. Mercy is woven throughout both the Old and New Testaments and reaches its fullest revelation in Jesus Christ. The God who delights in mercy also commands His people to walk in mercy, forgive others, care for the broken, and reflect His character in truth and holiness.

This Lesson Answers Five Questions
  1. What does mercy mean in the Bible?
  2. How is mercy revealed in the Old Testament?
  3. How is mercy revealed in Jesus and the New Testament?
  4. How is mercy different from grace, compassion, and forgiveness?
  5. What does it mean for a believer to live mercifully?
Context

Historical and Biblical Context

Mercy is one of the great themes of the entire Bible. In the Old Testament, mercy is tied to God's covenant dealings with Israel. He reveals Himself to Moses as "merciful and gracious," continues to forgive His people in spite of repeated rebellion, and calls them to reflect His compassion toward the poor, the stranger, the widow, and the fatherless.

In the New Testament, mercy is revealed with even greater clarity through Jesus Christ. The blind cried for mercy. The sick begged for mercy. The guilty found mercy. The cross itself is the greatest revelation of divine mercy because there God dealt with sin while extending salvation to undeserving people. The apostles then taught that believers are saved "according to His mercy" and must live as people who have received mercy.

So when we study mercy biblically, we are not studying a soft emotional idea. We are studying a defining part of God's character and a defining mark of true Christian living.

1

What Is Mercy?

Biblical Definition

At its core, mercy is compassionate action toward someone in misery, guilt, weakness, or need. Mercy is never presented in Scripture as approval of sin. It is God's holy compassion in action.

Mercy in Scripture may include:

  • Withholding deserved judgment
  • Forgiving sin
  • Relieving suffering
  • Restoring the broken
  • Showing kindness to the helpless
  • Remaining faithful to someone despite their failure
2

The Old Testament Language of Mercy

A. ḥesed -- Covenant Mercy, Steadfast Love, Lovingkindness

One of the richest Hebrew words behind "mercy" is ḥesed. It often means steadfast love, loyal love, covenant mercy, lovingkindness. It is not merely pity -- it is faithful love that remains committed even when the recipient has failed.

Psalm 136:1 (NKJV)

"Oh, give thanks to the Lord, for He is good! For His mercy endures forever."

That repeated phrase -- "His mercy endures forever" -- means God's covenant mercy is enduring, not temporary. Mercy is not a mood. It is a defining character trait.

B. raḥam / raḥamim -- Deep Compassion, Tender Pity

Another major Hebrew word group carries the idea of deep inward compassion -- the language of tender pity, parental compassion, and heartfelt care. The root is connected to the word for womb.

Psalm 103:13 (NKJV)

"As a father pities his children, so the LORD pities those who fear Him."

Mercy here is not cold legal restraint. It is compassionate, personal, and relational.

C. ḥānan -- To Be Gracious, to Show Favor

This word overlaps with mercy and grace and often means to show favor, stoop to help, be gracious. Together, these Hebrew ideas show that OT mercy includes: compassion, covenant faithfulness, forgiveness, patient restraint, and active help for the needy.

3

God Reveals Himself as Merciful

One of the most important passages in the entire Bible on the character of God is Exodus 34:6--7. This text becomes a theological anchor for the rest of the Old Testament -- echoed in Numbers 14:18, Nehemiah 9:17, Psalm 86:15, Psalm 103:8, Joel 2:13, and Jonah 4:2.

God Is
  • Merciful
  • Gracious
  • Patient (longsuffering)
  • Abounding in goodness and truth
  • Forgiving
Biblical Mercy Is NOT
  • Pretending sin does not matter
  • Removing accountability
  • Calling evil good
  • Ignoring holiness

Biblical mercy is God's holy compassion operating alongside His truth and righteousness -- not instead of them.

4

Mercy in the Old Testament

A. Mercy Is Central to God's Covenant Relationship

Israel failed repeatedly. They rebelled, murmured, worshiped idols, and hardened themselves. Yet God continued to show mercy again and again.

Nehemiah 9:17 (NKJV)

"They refused to obey, and they were not mindful of Your wonders that You did among them. But they hardened their necks... But You are God, ready to pardon, gracious and merciful, slow to anger, abundant in kindness, and did not forsake them."

Notice that mercy here is not detached from Israel's sin. Mercy is shown in the face of their rebellion. Judgment is not God's final word for a repentant people.

B. Mercy Is Connected to Forgiveness

David's repentance after sin is one of the clearest examples. He does not appeal to his worthiness. He appeals to God's mercy.

Psalm 51:1--2 (NKJV)

"Have mercy upon me, O God, according to Your lovingkindness; according to the multitude of Your tender mercies, blot out my transgressions. Wash me thoroughly from my iniquity, and cleanse me from my sin."

The sinner does not bargain with God as though he deserves forgiveness. He throws himself on the mercy of God.

C. Mercy Is Extended to the Repentant

Isaiah 55:7 (NKJV)

"Let the wicked forsake his way, and the unrighteous man his thoughts; let him return to the LORD, and He will have mercy on him; and to our God, for He will abundantly pardon."

Mercy does not eliminate repentance. Mercy receives the one who repents. Mercy is not permission to remain in rebellion -- it is the invitation to come home.

D. God Delights in Mercy

God does not delight in sin. God does not delight in compromise. But God does delight in showing mercy to those who turn to Him.

E. Mercy Includes Care for the Vulnerable

Mercy in the OT is not only about forgiveness of sin. It includes how God's people treat others. God consistently shows concern for widows, orphans, the poor, strangers, the oppressed, and the brokenhearted. A person who claims to know God yet remains harsh, selfish, and indifferent to suffering -- Scripture does not accept that contradiction.

5

Mercy in the New Testament

The primary Greek word for mercy is eleos -- compassion shown to the miserable and needy, especially in the form of help, forgiveness, or relief. Another word, oiktirmos, is often translated "compassion" or "tender mercy."

The New Testament shows mercy moving in three directions:

1

God's mercy toward sinners

2

Christ's mercy toward the suffering

3

The believer's mercy toward others

6

Jesus Christ Reveals the Mercy of God

If you want to know what mercy looks like, watch Jesus.

People in the Gospels cry for mercy when they are blind, broken, tormented, helpless, desperate, or beyond human solutions. And Jesus responds. In the Gospels, mercy is not theoretical -- it heals, delivers, and restores.

Matthew 9:27 (NKJV)

"Son of David, have mercy on us!"

Two blind men

Matthew 15:22 (NKJV)

"Have mercy on me, O Lord, Son of David! My daughter is severely demon-possessed."

A Canaanite woman

Matthew 17:15 (NKJV)

"Lord, have mercy on my son, for he is an epileptic and suffers severely."

A desperate father

7

Jesus Taught Mercy Over Empty Religion

Matthew 9:13 (NKJV)

"But go and learn what this means: 'I desire mercy and not sacrifice.' For I did not come to call the righteous, but sinners, to repentance."

Matthew 12:7 (NKJV)

"But if you had known what this means, 'I desire mercy and not sacrifice,' you would not have condemned the guiltless."

Jesus is quoting Hosea 6:6. The point is not that sacrifice never mattered. The point is that ritual without the heart of God is empty religion. A person may know religious forms, defend traditions, appear holy, sound doctrinally sharp -- and still have no mercy. That is one of the most dangerous spiritual conditions in Scripture.

8

Mercy Is a Mark of the Kingdom

Matthew 5:7 (NKJV)

"Blessed are the merciful, for they shall obtain mercy."

This does not mean we earn salvation by being nice. It means that people who have truly received God's mercy begin to reflect His mercy. Mercy is evidence of a transformed heart.

The Good Samaritan -- Luke 10:33--37

Luke 10:36--37 (NKJV)

"So which of these three do you think was neighbor to him who fell among the thieves?" And he said, "He who showed mercy on him." Then Jesus said to him, "Go and do likewise."

This is one of the clearest pictures of practical mercy in Scripture. The Samaritan stopped, touched the wounded, spent time, spent money, carried the burden, and interrupted his own plans. Biblical mercy costs something.

Mercy does not just feel. Mercy acts.

9

Mercy and Salvation

A. We Are Saved According to Mercy

We are not saved because God owed us something. We are saved because God moved toward us in mercy. And notice that mercy here is not disconnected from the new birth -- Paul ties mercy directly to the washing of regeneration and the renewing of the Holy Spirit. Mercy does not remove the gospel response. Mercy is why salvation is even offered.

B. God Is Rich in Mercy

Ephesians 2:4--5 (NKJV)

"But God, who is rich in mercy, because of His great love with which He loved us, even when we were dead in trespasses, made us alive together with Christ..."

Before salvation we were spiritually dead. Mercy is God's movement toward the dead, the guilty, and the hopeless. Not sparse mercy. Rich mercy.

C. New Birth Flows from Mercy

1 Peter 1:3 (NKJV)

"Blessed be the God and Father of our Lord Jesus Christ, who according to His abundant mercy has begotten us again to a living hope through the resurrection of Jesus Christ from the dead."

Mercy is not peripheral to salvation. Mercy is at the heart of it.

10

Mercy and Judgment -- James 2:13

This verse is not saying holiness does not matter or that judgment is never real. It is saying that a life marked by mercilessness is spiritually dangerous. A person who has truly encountered the mercy of God should not become a cruel, hard, unforgiving person. A merciless believer is a contradiction.

11

The Throne of Grace -- Hebrews 4:16

Hebrews 4:14--16 (NKJV)

"Seeing then that we have a great High Priest who has passed through the heavens, Jesus the Son of God, let us hold fast our confession... Let us therefore come boldly to the throne of grace, that we may obtain mercy and find grace to help in time of need."

When we come to God in our weakness, failure, temptation, and need, we do not come to a throne of mockery. We come to a throne where mercy may be obtained. That does not mean casualness toward sin. It means God invites needy people to come.

12

Mercy vs. Grace vs. Compassion vs. Forgiveness

These four ideas are related but not identical. Understanding the distinctions sharpens how we read Scripture.

Mercy

God's compassionate action toward the guilty, suffering, or undeserving. Often means withholding deserved judgment or relieving misery.

Grace

God giving undeserved favor, blessing, help, and salvation. Emphasizes the gift we did not deserve to receive.

Compassion

The inward movement of pity and tenderness toward someone in pain. Compassion often motivates mercy but does not always move to act.

Forgiveness

The release of the offense -- the remission of guilt and debt. Forgiveness resolves the past; mercy moves toward the need.

A simple way to hold them together: compassion feels the suffering -- mercy moves toward the suffering or guilty -- grace gives what is not deserved -- forgiveness releases the offense.

13

Old Testament and New Testament Comparison

Theme Old Testament New Testament
God's Character God reveals Himself as merciful, gracious, longsuffering (Ex. 34:6--7) God is rich in mercy, fully revealed in Christ (Eph. 2:4--5)
Mercy and Sin Mercy forgives the repentant and restores the fallen (Ps. 51; Isa. 55:7) Mercy saves sinners and brings regeneration and renewal (Titus 3:5)
Mercy and Covenant Mercy is tied to God's covenant faithfulness (Ps. 136) Mercy fulfills covenant promises in Christ and the gospel
Mercy and Suffering God shows pity and compassion to the afflicted and helpless Jesus heals, restores, delivers, and responds to cries for mercy
Mercy and the Believer Israel was commanded to reflect God's compassion and justice Believers are commanded to be merciful, forgive, and show compassion (Matt. 5:7; Luke 10; Col. 3:12)
Mercy and Holiness Mercy does not cancel justice or truth (Ex. 34:7) Mercy does not excuse sin; it calls us to repentance and transformed living
14

Mercy Does Not Mean God Ignores Sin

This must be said plainly because modern Christianity can distort mercy into moral weakness.

"God doesn't care how I live"

"I can keep sinning because God is merciful"

"Repentance doesn't matter"

"Obedience is optional"

"Truth should be softened so no one feels convicted"

That is not biblical mercy. That is abuse of mercy.

Romans 6:1--2 (NKJV)

"What shall we say then? Shall we continue in sin that grace may abound? Certainly not! How shall we who died to sin live any longer in it?"

Mercy is not permission to stay in rebellion. Mercy is God's willingness to receive and transform the repentant.

15

Mercy in the Life of the Believer

A believer who has truly received mercy should become merciful. Here is what a merciful life actually involves.

1

Forgives Others

Not because sin is imaginary, but because they themselves have been forgiven.

2

Restores the Repentant

Mercy does not delight in keeping people crushed forever.

3

Speaks Truth Without Cruelty

Mercy is not compromise, but it is also not harshness for its own sake.

4

Helps the Hurting

Mercy moves toward those in pain, weakness, loss, poverty, grief, or failure.

5

Refuses the Pharisee Spirit

The religious spirit knows the language of holiness but not the heart of God.

6

Remembers Its Own Rescue

People who forget how much mercy they needed often become severe with everyone else.

16

Biblical Reflection: Two People Mercy Confronts

The Guilty Sinner

Mercy says: You are not saved because you are good enough. You are not restored because you earned it. You are not forgiven because your sin was small. You are forgiven because God is merciful.

The Harsh Religious Heart

Mercy says: If God has forgiven you, why are you so eager to destroy everyone else? If God was patient with you, why are you impatient with everyone else? If God lifted you up, why do you enjoy looking down on others?

Mercy humbles the sinner and exposes the Pharisee.

17

Application: Questions Mercy Forces Us to Ask

Do not let this study stop at information. Let it become examination.

Q1

Have I truly received the mercy of God?

Not admired it. Not talked about it. Not sung about it. Received it. Have I repented? Have I come honestly before God? Have I stopped defending myself and thrown myself on His mercy?

Q2

Am I using mercy as an excuse to avoid obedience?

Do I speak of God's mercy while clinging to sin? Do I want comfort without repentance?

Q3

Am I a merciful person?

How do I respond when people fail? How do I speak to the weak? How do I treat the poor, the hurting, the grieving, the struggling, and the fallen?

Q4

Do I reflect the heart of Jesus?

Would people who are wounded be more likely to find healing around me -- or more shame?

Q5

Am I holding unforgiveness while claiming the mercy of God?

That is one of the deepest contradictions in Christian living. The unforgiving servant parable (Matthew 18) was not told as a curiosity -- it was told as a warning.

18

Mercy and the Gospel

Mercy Does NOT
  • Weaken truth
  • Remove repentance
  • Replace the new birth
  • Make obedience optional
Mercy IS the Reason
  • A sinner can repent at all
  • There is pardon for sin
  • The gospel is preached
  • God still calls people to be washed, renewed, and filled with His Spirit

Mercy is not opposed to biblical salvation. Mercy is one of the reasons salvation is offered.

Review

Accuracy Review: Truths That Must Stay Together

To keep this study biblically balanced, these truths must not be separated:

God is merciful
God is holy
God forgives
God still calls for repentance
Mercy does not excuse rebellion
Mercy does not cancel truth
Mercy does not remove obedience
Jesus is the clearest revelation of mercy
Those who receive mercy are called to show mercy

Memory Verse

"Who is a God like You, pardoning iniquity and passing over the transgression of the remnant of His heritage? He does not retain His anger forever, because He delights in mercy."

Micah 7:18, NKJV

Closing Exhortation

One of the Most Beautiful Revelations of God in Scripture

Mercy is why the backslider can return. It is why the broken can hope. It is why the guilty can repent. It is why the church should never become cold, proud, and merciless.

But mercy is not cheap. Mercy is not permissiveness. Mercy is not compromise. Mercy is the holy heart of God moving toward human need in a way that forgives, restores, and transforms.

If we have truly received that mercy, then we do not merely preach it -- we live it.

How Can I Be Saved?