Spivey's Unauthorized Biblical Timeline
a Scripture-centered journey through God's redemptive story from a historic perspective.
Christianity 103 - Sin and Temptation
Sin does not begin with action—it begins internally.
Before anything is seen outwardly, something is already taking place within. Desire is stirred, truth is questioned, and we are drawn in a different direction. This is where temptation operates.
Scripture reveals a pattern to this struggle—how temptation leads toward sin, why the conflict persists within us, and how we must learn to resist what pulls it away from God.
SIN BEGINS IN THE HEART
Jesus did not define sin merely as outward actions. He revealed it as something that begins within the heart—the same place that receives or rejects the Word of God.
“For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false witness, slander.” — Matthew 15:19
Sin begins inwardly, where trust, desire, love, and allegiance are formed.
God calls these qualities good when they are directed toward Him and reflect His nature. When they are redirected—seeking fulfillment, truth, or identity apart from Him—they become disordered, and we stray.
“They exchanged the truth about God for a lie, and worshiped and served created things rather than the Creator...” — Romans 1:25
“Take delight in the LORD, and he will give you the desires of your heart.” — Psalm 37:4
If sin begins in the heart, it does not appear suddenly. Before any action is taken, the heart is drawn in a different direction. Scripture describes this movement as temptation.
WHAT TEMPTATION IS
Temptation is not sin itself. It is the pull toward sin—the point at which the heart is drawn away from what is true and toward something else.
James wrote clearly that God is not the source of temptation:
“When tempted, no one should say, “God is tempting me.” For God cannot be tempted by evil, nor does he tempt anyone;” — James 1:13
Then he describes this movement or drawing away:
“but each person is tempted when, by their own desire, they are dragged away and enticed. Then, after desire has conceived, it gives birth to sin; and sin, when it is full-grown, gives birth to death." — James 1:14–15
Temptation does not come from God, but engages the desires within us. It presents something as good, appealing, or necessary, even when it stands in tension with what God has said.
How are we to recognize when this happens?
COMMON PATHWAYS OF TEMPTATION
Temptation reaches both the mind and the heart—shaping perception through what appears desirable, while drawing the heart toward inward agreement.
Scripture not only defines temptation—it reveals recurring pathways through which desire, attraction, and self-exaltation draw the heart away from God.
From the beginning, temptation commonly operates through recognizable pathways. In the Garden of Eden, God created every tree from which they could eat, but warned Adam and Even to not eat of the tree of the knowledge of good and evil or they would die. Later, the Tempter drew Eve’s attention to it.
“When the woman saw that the fruit of the tree was good for food, and pleasing to the eyes, and also desirable for gaining wisdom, she took some and ate…” — Genesis 3:6
The movement toward sin began before the outward act itself.
These same pathways are later summarized:
“For everything in the world—the cravings of sinful man, the lust of his eyes and the boasting of what he has or does—comes not from the Father but is from the world.” — 1 John 2:16
These are not isolated categories, but recurring pathways through which the heart is drawn away—through desire, attraction, and self-exaltation.
These same pathways appear again in the temptation of Jesus Christ during His forty days in the wilderness (Matthew 4:1–11; Luke 4:1–13).
physical hunger - the flesh
visible glory - the eyes
self-exaltation - pride of life
Where the first humans saw, desired, and acted apart from God, Jesus faced the same categories of temptation yet did not yield. Though fully human, His trust, desire, love and allegiance remained aligned with the Father, and sin found no foothold.
When these pathways are embraced—when what is seen, desired, and pursued begins to override what God has said—temptation gives way to sin.
WHAT SIN IS
Temptation invites the mind to consider what appears good, but sin begins when the heart inwardly embraces it.
Adam and Eve were in right relationship with God, and His authority was known. He commanded them to eat of any tree in the Garden, except one (Genesis 2:16). They lacked no good thing, and the boundaries of obedience were clear.
When the heart turns from God, it rejects His authority, redefines what is good, and seeks life apart from Him.
Sin is not merely the outward act, but the inward agreement that precedes it.
The origin of sin is the movement from temptation to inward agreement.
Jesus makes this clear by showing that sin begins before behavior is visible:
“But I tell you that anyone who looks at a woman lustfully has already committed adultery with her in his heart.” — Matthew 5:28
In the same manner, Jesus showed that people, like hearts, can appear clean outwardly while remaining corrupted within:
“Woe to you, teachers of the law and Pharisees, you hypocrites! You are like whitewashed tombs, which look beautiful on the outside but on the inside are full of the bones of the dead and everything unclean. In the same way, on the outside you appear to people as righteous but on the inside you are full of hypocrisy and wickedness.” — Matthew 23:27-28
Sin may remain hidden from others for a time, but it is never hidden from God.
It occurs when desire is embraced in a way that departs from what God has said—when what the heart wants begins to override what is true.
This is why sin is not random. It is conceived in the heart, moving from inward agreement to outward expression.
SIN EXPRESSED
Scripture speaks of sin in more than one way.
At one level, sin is what we do.
“for all have sinned and fall short of the glory of God.” — Romans 3:23
We act, speak, and think in ways that depart from what God has said. At times, we also fail to do what we know is right.
“Anyone, then, who knows the good he ought to do and doesn't do it, sins.” — James 4:17
But Scripture also speaks of sin as something that has affected us.
“Therefore, just as sin entered the world through one man [Adam], and death through sin, and in this way death came to all men because all sinned.” — Romans 5:12
Sin is not only expressed in actions—it also influences what the heart desires, trusts, and pursues.
Scripture also speaks of the inward life in terms of thought and perception:
“For as he thinketh in his heart, so is he.” — Proverbs 23:7 (KJV)
What the mind continually entertains and the heart repeatedly embraces begin shaping the inner person. Over time, repeated agreement forms patterns of thought, desire, and pursuit that influence who we become.
This is why sin is both something we do and something that affects who we are.
SIN'S SNARE
Battles take place in both the mind and the heart. The mind interprets what is presented—considering what is true, desirable, or justified—while the heart determines what will ultimately be embraced and pursued. Though distinct in function, the two continually influence one another.
What the mind recognizes as true does not always align with what the heart desires. What we desire is not always aligned with what God has declared to be good.
Paul describes this conflict clearly:
“For I do not do what I want, but I do the very thing I hate.” — Romans 7:15
Temptation often works through distortion, false reasoning, and misplaced perception of what is good. What the mind continually dwells upon can begin influencing what the heart embraces.
The heart becomes the decisive battlefield where competing desires and competing loves struggle for mastery. What we continually treasure, pursue, and dwell upon begins shaping the inner person itself.
“Above all else, guard your heart, for everything you do flows from it.” — Proverbs 4:23
The LORD warned Cain about sin and its power to subjugate.
“If you do what is right, will you not be accepted? But if you do not do what is right, sin is crouching at your door; it desires to have you, but you must rule over it.” — Genesis 4:7
Scripture therefore describes sin not only as wrongdoing, but as bondage:
“Everyone who sins is a slave to sin.” — John 8:34
The bondage of sin is not merely external restraint, but inward craving. The heart was created to love, worship, and serve, and whatever it continually embraces will eventually begin shaping and ruling it.
“For where your treasure is, there your heart will be also.” —Matthew 6:21
A person may hold onto bitterness, lust, pride, anger, or the desire for control believing it protects or satisfies them, while slowly becoming separated from truth, peace, and even the people who genuinely love them.
What first feels chosen can eventually begin ruling the one who chose it.
The bondage of sin is that the heart can only move as far as its chains allow.
But one thing remains: a love so deep that it can free the heart from the bondage that gives sin its mastery.
CONFLICT WITHIN VICTORY
For those who place their trust in the Lord, the chains of sin no longer hold the same dominion. Through Jesus Christ, believers are not only forgiven, but set free to walk in a new way of life.
“It is for freedom that Christ has set us free…” — Galatians 5:1
Scripture therefore speaks differently about those who belong to Christ:
“Therefore, there is now no condemnation for those who are in Christ Jesus…” — Romans 8:1
The Spirit of God now begins working within the believer—bringing life to what was once spiritually dead, exposing what once ruled unchecked, and leading the heart toward what is true and pleasing to God.
Yet the struggle does not immediately disappear.
The believer often becomes more aware of the conflict than before because the old desires of the flesh still remain, while the Spirit now opposes what once ruled freely.
“For the desires of the flesh are against the Spirit, and the desires of the Spirit are against the flesh, for these are opposed to each other…” — Galatians 5:17
Scripture describes the “flesh” not merely as the physical body, but as the old sinful nature that continually pulls the heart toward self-rule, sinful desire, and independence from God. Though believers are forgiven and made new in Christ, the influence of the old ways does not disappear immediately.
The Spirit now works against what once ruled unchecked—convicting, correcting, renewing, and leading the believer toward truth and life. This creates a real inward conflict between the old self that still pulls toward sin and the new life being formed through the Spirit. (see God the Spirit)
Even King David, though a man after God’s own heart, struggled deeply with sin.
“For troubles without number surround me; my sins have overtaken me, and I cannot see. They are more than the hairs of my head, and my heart fails within me.” — Psalm 40:12
This is a different kind of battle than before. Under the old creation, humanity struggles within bondage that it cannot ultimately overcome. But through Christ, believers no longer fight for victory, but from the victory He has already secured.
The Christian struggle is therefore not merely against outward temptation, but against the ongoing pull of the old nature that seeks to draw the heart back under its former rule, while the Spirit leads the believer toward the new life God has given.
The conflict within is therefore not evidence that God has abandoned the believer, but evidence that the Spirit is actively working against what once ruled the heart without resistance.
“For those who are led by the Spirit of God are the children of God.” — Romans 8:14
The Christian life is therefore not merely about avoiding outward sin, but about being transformed into the likeness of Christ rather than returning to the rule of the old self.
RENEWAL OF THE HEART
Those who confess Jesus Christ as LORD and Savior are not only forgiven and reconciled to God, but are called to become more like Christ, who lived without sin.
“For those God foreknew (1) he also predestined (2) to be conformed to the image of his Son, that he might be the firstborn (3) among many brothers and sisters.” — Romans 8:29 (see notes below)
Jesus did not leave believers without help. After His ascension, He sent the Holy Spirit, who brings life to what was once spiritually dead and begins renewing the hearts and minds of those who believe.
If the struggle is within the heart, then the solution must reach the heart itself.
Under the old creation, humanity remains trapped within sin’s bondage. But through the Spirit, believers are no longer left powerless against the rule of the flesh. God begins transforming them from within.
This transformation reaches both the mind and the heart.
“Do not conform to the pattern of this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what God’s will is—his good, pleasing and perfect will.” — Romans 12:2
“I will give you a new heart and put a new spirit in you; I will remove from you your heart of stone and give you a heart of flesh.” — Ezekiel 36:26
This renewal is not the removal of desire, but its reordering.
What was misdirected begins to be brought back into alignment—truth reshapes what we believe, love is redirected toward God, and desires increasingly align with what is good.
“Show me your ways, LORD, teach me your paths. Guide me in your truth and teach me, for you are God my Savior, and my hope is in you all day long.” — Psalm 25:4-5
In the imagery of the soil (see Condition of the Heart), this renewal is not self-produced. The Holy Spirit tills the heart—softening it to truth, exposing what is hidden, and making it receptive to the Word—while the believer responds to that work (see God the Spirit).
As the heart yields, what once resisted begins to receive, and what once led begins to lose its hold.
Renewal is not instant perfection, but the ongoing cultivation of the heart, where the Word takes root and begins to grow.
The struggle remains, but it is no longer without direction. What was once misaligned is being brought back into order, even as the battle against sin continues. And God's Word shows us how to resist temptation.
Notes:
(1) - "foreknew" points to God’s omniscience—completely unlimited knowledge—and purposeful awareness of people before they are born. (Jeremiah 1:5, Psalm 139:16, Isaiah 49:5, Galatians 1:15, Hebrews 4:13)
(2) - "predestined" does not question God’s sovereignty but regarding salvation, it points to His plan to redeem humanity through Jesus Christ, not merely the choosing of certain individuals to go to heaven or hell. God established His plan before the foundation of the world, making redemption available to all who believe. (Genesis 15:6, Psalm 37:39, Micah 6:8, John 3:16, 2 Timothy 1:9)
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Ephesians 1:4-5 “For he [God] chose us [humanity] in him [Jesus Christ] before the creation of the world to be holy and blameless in his sight. In love he [God] predestined us for adoption to sonship [relationship restored] through Jesus Christ, in accordance with his pleasure and will—”
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Revelation 13:8 "All inhabitants of the earth will worship the beast—all whose names have not been written in the Lamb’s book of life [upon salvation], the Lamb who was slain from the creation of the world.”
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Points to God’s redemptive plan in Christ existing before the foundation of the world.
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Jesus was identified beforehand as the sacrificial Lamb through whom salvation would come, though His redemptive work was ultimately fulfilled through His death on the cross.
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(3) - "firstborn" points to the Old Testament practice in which the firstborn son held a pre-eminent position within the family, receiving a double portion of the inheritance and representing the continuation of the father’s household and authority. It also refers to the command that every firstborn was to be redeemed or given to the LORD as firstfruits or tithe (Exodus 13:2; Exodus 22:29-31; Exodus 34:19, Numbers 18:15, Deuteronomy 21:17). After the Exodus, the Levites (priests) replaced this custom for all the tribes of Israel (Numbers 3:40-41). What this means: every believer is now considered a child of God, receiving full rights and authority, sharing in the eternal blessing of their Father, redeemed to God through Jesus Christ and serving as priests.
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1 Peter 2:9 “But you are a chosen people, a royal priesthood, a holy nation, God’s special possession, that you may declare the praises of him who called you out of darkness into his wonderful light.”
RESISTING TEMPTATION
Temptation is part of the human condition; sin is not.
Yet even in this struggle, Scripture teaches that God has provided what is needed for life and godliness:
“His divine power has given us everything we need for life and godliness through our knowledge of him who called us by his own glory and goodness.” — 2 Peter 1:3
And in moments of temptation, we must remember:
“No temptation has overtaken you except what is common to mankind. And God is faithful; he will not let you be tempted beyond what you can bear. But when you are tempted, he will also provide a way out so that you can endure it.” — 1 Corinthians 10:13
Temptation may be common, but surrender to it is not inevitable. God remains faithful even in the midst of struggle.
Scripture teaches that resisting temptation is not accomplished merely through human effort, but by learning to walk by the Spirit rather than continuing to live according to the flesh.
“So I say, walk by the Spirit, and you will not gratify the desires of the flesh.” — Galatians 5:16
The “flesh” refers to the old sinful nature that continually pulls the heart toward self-rule, sinful desire, and independence from God. The Spirit now opposes what once ruled the heart unchecked.
“For the flesh desires what is contrary to the Spirit, and the Spirit what is contrary to the flesh.” — Galatians 5:17
Scripture openly identifies the kinds of desires and behaviors that flow from the sinful nature:
“The acts of the flesh are obvious: sexual immorality, impurity and debauchery; idolatry and witchcraft; hatred, discord, jealousy, fits of rage, selfish ambition, dissensions, factions and envy; drunkenness, orgies, and the like…” — Galatians 5:19-21
These outward actions grow from inward disorder within the heart. Sinful desire promises life, satisfaction, control, pleasure, or fulfillment, but ultimately leads deeper into bondage and separation from God.
But the Spirit produces something entirely different within the believer:
“But the fruit of the Spirit is love, joy, peace, forbearance, kindness, goodness, faithfulness, gentleness and self-control.” — Galatians 5:22-23
Just as healthy soil produces healthy fruit, the renewed heart increasingly begins producing evidence of God’s work within. The Spirit reshapes what the believer loves, pursues, and desires.
This is why resisting temptation is not merely about suppressing sinful behavior outwardly, but about allowing the Spirit to continually cultivate the heart inwardly.
Scripture therefore says:
“Those who belong to Christ Jesus have crucified the flesh with its passions and desires.” — Galatians 5:24
Because believers belong to Christ, the old sinful nature no longer holds the same dominion it once did. Though temptation and struggle remain, the believer is no longer enslaved to obey every desire of the flesh.
Instead, believers are called to continually walk in step with the Spirit:
“Since we live by the Spirit, let us keep in step with the Spirit.” — Galatians 5:25
This requires remaining aligned with truth, guarding the heart, renewing the mind, prayer, obedience, and intentionally turning away from what continually feeds sin.
The battle against temptation is therefore not only about saying “no” to sin, but about continually yielding the heart to the transforming work of God, where the Spirit produces fruit that reflects the character and likeness of Jesus Christ.
Yet Scripture also teaches that the struggle against sin is not merely internal. There is also an unseen external enemy who seeks to deceive, tempt, accuse, and oppose the work of God.
Who is this enemy, and how are believers called to stand against him?
Continue to Christianity 104 — Spiritual Warfare & the Enemy (Under Construction)
Return to Christianity 102 - Knowing God: Father, Son and Holy Spirit