What is sin?

Romans 5:13 1 John 3:6-8 Romans 3:20 Hebrews 10:14 Romans 6:2 Romans 5:20 Galatians 3:24 Ephesians 4:24 Hebrews 8:12 Romans 4:8 James 4:17 Matthew 15:18-20 Romans 1:28-32 Colossians 3:5-9 Matthew 22:37-40

Many people hear “sin” and immediately think of guilt, shame, or a long list of rules they’ve broken. But understanding sin isn’t about listing wrong behaviors. It’s about recognizing why we need Jesus.

  • Sin is missing God’s standard - Separation from His life, not just breaking rules
  • The LawWhat is the difference between law and grace?Law reveals our inability to avoid sin. Grace is God's unearned favor despite our flaws - Jesus took our sin and gave us His righteousness as a gift. Read full answer → revealed sin - God gave it to show our need for Jesus, not as conditions for His love
  • Christians have a new nature - When believers sin, their born-again spirit remains holy and sealed
  • Sin is the devil’s territory - When we sin, we’re being led by the enemy, not our true identity
  • Jesus dealt with sin completely - One sacrifice perfected believers forever, removing sin-consciousness

Sin is missing the mark of God’s standard - being separated from His life and nature. Before Moses received the Law, sin existed in the world, but Romans 5:13 tells us it wasn’t charged to people’s accounts. God didn’t give the Law because He demands perfection before He’ll love us. He gave it to reveal our need for a Savior, to show we can’t earn righteousnessWhat is righteousness?Right standing with God or man. Being right with God is something we can't earn but receive as a gift through faith in Jesus. Read full answer → through our own efforts.

For Christians, sin doesn’t change who you are in Christ. When believers sin, their bodies and souls are affected, but their born-again spirits remain holy and sealed ( Ephesians 4:24 ). You have a new nature that hates sin. That’s what makes you different now.

The focus isn’t guilt over failures. It’s confidence in what Jesus accomplished.

A deeper look

Sin is missing God’s standard

Romans 3:20 explains that “by the law is the knowledge of sin.” Sin isn’t just about individual wrong actions. It’s fundamentally about being separated from God’s life and nature. Before you knew God, you were living apart from His standard, missing the mark of what He created you for.

The word picture is like an archer aiming at a target but falling short. Sin is that gap between God’s holiness and our human condition.

Here’s what’s crucial. God didn’t reveal this gap to condemn you. He revealed it to show you why Jesus came.

What counts as sin?

The Old Testament contains over 600 commandments - far too many to memorize or track. But Scripture gives us clearer ways to understand sin.

James 4:17 offers a simple definition: “To him who knows to do good and doesn’t do it, to him it is sin.” Sin isn’t just doing bad things - it’s failing to do what you know is right.

Jesus taught that sin comes from the heart, not just external actions. Matthew 15:18-20 says, “The things which proceed out of the mouth come out of the heart, and they defile the man. For out of the heart come evil thoughts, murders, adulteries, sexual sins, thefts, false testimony, and blasphemies.”

Paul gives similar lists. Romans 1:28-32 includes envy, murder, strife, deceit, gossip, arrogance, and disobedience to parents. Colossians 3:5-9 adds sexual immorality, impurity, greed, anger, malice, slander, and lying.

But here’s what Jesus said when asked which commandment was greatest. Matthew 22:37-40 : “You shall love the Lord your God with all your heart, with all your soul, and with all your mind. This is the first and great commandment. A second likewise is this: You shall love your neighbor as yourself. The whole law and the prophets depend on these two commandments.”

Every sin ultimately violates one of these two principles - loving God or loving others.

For believers, grace covers us when we fall short. But that doesn’t mean sin is harmless. When we sin, we open ourselves to the enemy’s influence and miss out on the abundant life Jesus offers. See why we should still avoid sinWhy should I avoid sin if I'm saved by grace?We avoid sin not to earn salvation, but because loving God leads to living differently and grace means we are no longer slaves to sin. Full answer coming soon… even though we’re saved by grace.

The Law revealed sin

Romans 5:13 says that “until the law sin was in the world, but sin is not imputed when there is no law.” This is significant. Before Moses received the Ten Commandments, sin existed, but God wasn’t holding it against people in the same way.

Think of it like a child and a hot stove. If a child touches the stove without ever being told not to, they suffer the pain - the natural consequence of their action. But if a parent has told them not to touch it and they do anyway, they suffer both the pain and the consequence of disobedience. Before the Law, sin still hurt people. It separated them from God’s life and opened them to the enemy’s destruction. But God wasn’t imputing the guilt of disobedience because He hadn’t yet given the command.

So why give the Law at all? God had to give it to help humanity recognize sin for what it was, to curb its destructive effects, and to pave the way for Jesus to save us from it. Romans 5:20-21 explains: “Moreover the law entered that the offense might abound. But where sin abounded, graceWhat is grace?God's unearned favor toward us - a free gift of righteousness and forgiveness through Jesus, not earned by our performance. Read full answer → abounded much more.” The Law made sin obvious so we could see our need for help outside ourselves. Galatians 3:24 calls the Law a “schoolmaster” to bring us to Christ.

This reveals something beautiful about God’s nature. He’s not a demanding judge who expects you to be perfect before He’ll accept you. The Law was a teaching tool, showing us our need for grace. His dealings in the Old Testament weren’t because He didn’t love people. They were designed to lead people to recognize they needed a Savior.

Christians have a new nature

1 John 1:8-9 makes it clear: “If we say that we have no sin, we deceive ourselves.” Christians will eventually stumble and sin. What makes believers different isn’t perfection. It’s that you now have a new nature that grieves over sin.

When you were born againWhat does it mean to be "born again"?Being born again means receiving a new spirit through faith in Jesus, transforming you from spiritually dead to spiritually alive in Christ. Full answer coming soon… , you received a new spirit created in righteousness and true holiness ( Ephesians 4:24 ). Romans 6:2 describes believers as “dead to sin” - not in your physical body or soul, but in your born-again spirit. Your new spirit is as holy and pure as Jesus is ( 1 Corinthians 6:17 ), and it’s sealed so that sin cannot penetrate that seal ( Ephesians 1:13 ).

When Christians sin, their bodies and souls participate and are affected, but their spirits remain holy. That’s why Hebrews 10:14 can say believers are “perfected forever” - that perfection is in your born-again spirit.

You have total access to God with no fear of rejection, even when you’ve sinned.

Sin is the devil’s territory

1 John 3:6-8 says, “He who sins is of the devil, for the devil has sinned from the beginning.” This doesn’t mean Christians who sin are evil. It means when we sin, we’re being led by the devil rather than walking in our true identity.

Think of when Jesus told Peter, “Get behind me, Satan” ( Matthew 16:23 ). Jesus wasn’t saying Peter was Satan. Peter was being influenced by the enemy in that moment.

Similarly, when believers sin, they’re operating outside their new nature, following the enemy’s influence rather than the Holy SpiritWho is the Holy Spirit?The Holy Spirit is God's third person. He empowers us, teaches truth, and reveals spiritual realities beyond human wisdom. Full answer coming soon… ’s leading.

The good news? “For this purpose the Son of God was manifested, that He might destroy the works of the devil” ( 1 John 3:8 ). Jesus came to break sin’s power and the devil’s influence over your life.

Jesus dealt with sin completely

Under the Old Testament, the same sacrifices had to be repeated year after year because they could never truly remove sin ( Hebrews 10:1 ). The very repetition proved they were inadequate.

But Jesus’ sacrifice was different.

Hebrews 10:14 declares, “By one offering he hath perfected for ever them that are sanctifiedWhat is sanctification?The process of being set apart and made holy by choosing Jesus. Its when your spirit gets made perfect. His death and resurrection made it possible. Full answer coming soon… .” Not until your next sin. Not just for past sins. Forever.

This is radically different from what religion often teaches - that you’re only forgivenWhat is forgiveness?Choosing to release someone from their debt to you because God forgave you first-it's a command, not just a suggestion. Full answer coming soon… for things done before you were born again, and every new sin requires you to “put it back under the blood.” That’s not how it works. Jesus sanctified and perfected you forever through one offering.

Hebrews 8:12 promises, “Their sins and their iniquities will I remember no more.” God isn’t keeping a running tally of your failures. Romans 4:8 says, “Blessed is the man to whom the Lord will not impute sin.”

You’re savedWhat is salvation?Salvation is being made right with God through faith in Jesus Christ. Its how we gain eternal life and get to know God. Full answer coming soon… by grace through faithWhat is faith?Faith is trusting in Jesus Christ - not working up belief, but receiving a gift from God that grows as you hear His Word and dismiss unbelief. Read full answer → ( Ephesians 2:8-9 ), not by works of righteousness you have done ( Titus 3:5 ). The focus of your Christian life isn’t supposed to be constant consciousness of sin. It’s confidence in what Jesus accomplished and who you now are in Him.

What sin is NOT

  • Not the focus of your Christian life - Hebrews 10:2 says believers should have “no more conscience of sins.” God should be your focus, not your failures
  • Not something that changes your identity - When Christians sin, their sealed born-again spirit remains holy, even though their body and soul are affected
  • Not a debt you keep repaying - Jesus’ one sacrifice paid it all. You’re not making weekly payments through religious duties
  • Not stronger than grace - Romans 5:20 promises that where sin abounded, grace abounded much more

Key Scriptures

  • James 4:17 - Knowing to do good and not doing it is sin
  • Matthew 22:37-40 - All the Law hangs on loving God and loving others
  • Matthew 15:18-20 - Sin comes from the heart
  • Romans 1:28-32 - Examples of sins: envy, murder, strife, deceit, gossip
  • Colossians 3:5-9 - Examples of sins: immorality, greed, anger, lying
  • Romans 5:13 - Sin wasn’t imputed before the Law was given
  • Romans 3:20 - By the Law is the knowledge of sin
  • Romans 5:20 - Where sin abounded, grace abounded much more
  • Galatians 3:24 - The Law was a schoolmaster to bring us to Christ
  • 1 John 3:6-8 - Those who sin are being led by the devil; Jesus came to destroy his works
  • Romans 6:2 - Believers are dead to sin in their born-again spirits
  • Hebrews 10:14 - By one offering Jesus perfected believers forever
  • Ephesians 4:24 - The new man is created in righteousness and true holiness
  • Hebrews 8:12 - God will not remember our sins anymore
  • Romans 4:8 - Blessed is the one to whom the Lord will not impute sin
  • Matthew 16:23 - Jesus tells Peter “Get behind me, Satan”
  • 1 Corinthians 6:17 - Believers are one spirit with the Lord
  • Ephesians 1:13 - Believers are sealed with the Holy Spirit

INTERNAL

Similar Questions

  • how-can-i-overcome-sin-in-my-lifeHow can I overcome sin in my life?Victory over sin comes from knowing Jesus and letting Him transform you through His Word and Spirit Full answer coming soon… - 0.73 similarity
  • what-is-salvationWhat is salvation?Salvation is being made right with God through faith in Jesus Christ. Its how we gain eternal life and get to know God. Full answer coming soon… - 0.68 similarity
  • what-is-graceWhat is grace?God's unearned favor toward us - a free gift of righteousness and forgiveness through Jesus, not earned by our performance. Read full answer → - 0.65 similarity

Agent reasoning: While related questions exist about overcoming sin and salvation, none directly define what sin IS from a foundational perspective. This question addresses the nature and definition of sin itself, particularly from the grace-based framework that emphasizes God’s love over condemnation. The existing “how-can-i-overcome-sin” question focuses on practical victory, while this question establishes the theological foundation of what sin actually is and how Jesus dealt with it.

Resources

Research Notes

From The Good News Slides

Slide 45 - What is being saved?

  • Being saved is being made righteous = right standing with God
  • This right standing is a GIFT through Jesus’ death
  • Romans 6:2 Living Commentary: Our born-again spirits are totally new and dead to sin
  • Physical bodies and souls still capable of sin, but new spirits identical to Jesus (1 John 4:17, 1 Corinthians 6:17)
  • New spirits created in righteousness and true holiness (Ephesians 4:24), then sealed with Holy Spirit (Ephesians 1:13)
  • A born-again person cannot sin in their spirit (1 John 3:9)
  • “Fallen from grace” (Galatians 5:4) = putting faith in law/works instead of Christ

Slide 46 - What is being saved? Part 2

  • Hebrews 10:10 - Jesus sanctified us once for all
  • Hebrews 10:14 - Those sanctified were also perfected forever
  • NOT forgiven only of past sins before born again
  • Don’t need to “put under the blood” every new sin by confession/repentance
  • Jesus sanctified and perfected us forever through one offering
  • When Christians sin: bodies and souls participate/affected, but spirits sealed and retain holiness
  • That’s why we’re “perfected forever” - perfection is in born-again spirits (Hebrews 12:23)
  • We have total access to God with no fear of rejection, even when we’ve sinned
  • Falling from grace (Galatians 5:4) = legalism, putting faith in works instead of Christ

Slide 49 - What about my sin

  • Romans 8:1 - No condemnation
  • John 5:24 - Passed from death to life
  • 2 Corinthians 5:19 - God not imputing sins

Slide 52 - Why the Law

  • Romans 3:20 - By law is knowledge of sin, no flesh justified by law
  • 1 Timothy 1:8-9 - Law not made for righteous but for lawless
  • Romans 5:20-21 - Law entered that offense might abound; where sin abounded, grace abounded more
  • Romans 5:13 - Until the law, sin was in world but not imputed when no law
  • Romans 6:14 - Sin shall not have dominion; not under law but grace
  • Romans 7:7-8 - Wouldn’t have known sin except through law
  • Romans 8:2-3 - Law of Spirit made free from law of sin and death; what law couldn’t do, God did through Jesus

Slide 179 - The unforgivable sin

  • Blasphemy against Holy Spirit is not forgiven
  • Blasphemy = claiming to be God
  • Holy Spirit convicts those who don’t believe in Jesus
  • Not submitting to that conviction = acting as if you are the Holy Spirit of your own life (blasphemy)
  • Reference: 2 Peter 2:18-22

Slide 181 - When we sin we are being led by the devil

  • 1 John 3:6-8 - Whoever abides in Him does not sin; whoever sins has neither seen nor known Him
  • He who practices righteousness is righteous as He is righteous
  • He who sins is of the devil, for devil has sinned from beginning
  • Son of God manifested to destroy works of the devil
  • Compare to Jesus telling Peter “Get behind me Satan” - not saying Peter is evil, but Peter was being led by the devil

From Discipleship Evangelism

Lesson 5: The Nature of God

  • Romans 5:13 - Until the law, sin was in world but not imputed where there is no law
  • Before Law (Moses/Ten Commandments), sin existed but wasn’t charged to people’s accounts
  • Law was given to show need for Savior, not because God demands perfection before loving us
  • Old Testament = God had to give laws and enforce with punishment because people didn’t have spiritual perception of New Covenant
  • Satan was destroying people through sin, so restraints had to be placed
  • This left FALSE impression that God didn’t love us because of our sin
  • God’s nature is LOVE (1 John 4:8)
  • Romans 5:6-10 - While ungodly, sinners, enemies, Christ died for us
  • God’s love isn’t based on our performance
  • Galatians 3:24 - Law was schoolmaster to bring us to Christ

Lesson 6: Repentance

  • Repentance is not perfection but change in direction
  • Change of mind, heart, and will that leads to action
  • Prodigal son (Luke 15:11-24) illustrates: coming to senses, deciding to return, actually returning
  • 2 Peter 3:9 - God not willing any should perish, all come to repentance
  • Acts 3:19 - Repent and sins are blotted out, times of refreshing come
  • Isaiah 53:6 - All gone astray, turned to own way, but God laid our sins on Jesus

Lesson 11: What Happens When A Christian Sins

  • 1 John 1:8-9 - If we say we have no sin, we deceive ourselves; if we confess, He forgives
  • Christians will eventually stumble and sin
  • What makes us different: we now have new nature that grieves us to sin
  • Do we need to get saved again when we sin? NO - would mean no security
  • Hebrews 10:2 - Through Jesus’ sacrifice, believers should have no more conscience of sins
  • Sin should not be focus of our lives; God should be our focus
  • Romans 4:2 - If Abraham justified by works, could glory, but not before God
  • If salvation based on merit, we could brag
  • God designed salvation so there’s no boasting or glory on man’s part
  • Romans 4:22-24 - Righteousness imputed to those who believe in Jesus
  • Hebrews 10:14 - By one offering Jesus perfected forever them that are sanctified
  • Hebrews 10:16-17 - God will not remember sins

Lesson 10: No More Consciousness of Sin (Level 3)

  • Story of drunk driver who killed 18-year-old girl
  • Family sued for $1.5M, settled for $936 with condition: write check for $1 each week in girl’s name
  • Weekly reminder drove him into depression
  • Many Christians live same way - feel they must constantly “make payments” through religious duties
  • Hebrews 10:1 - Law with same sacrifices year after year could never make worshipers perfect
  • Hebrews 10:2 - If sacrifices could really deal with sin, worshipers would be cleansed once for all, no longer feel guilty
  • Hebrews 10:14 - By one offering Jesus perfected believers forever (not until next sin, not just past sins, but FOREVER)
  • Story of Abraham and Abimelech - even though Abraham lied, God sided with him because of covenant
  • God is for us, not against us
  • Romans 4:8 - Blessed is man to whom Lord will not impute sin
  • Under New Covenant, God promises not to remember our sins or hold them against us
  • Ephesians 2:8-9, Titus 3:5 - Saved by grace, not works of righteousness we have done
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