And the answer is (this won’t post without at least 20 characters):
Because Sin is against the nature of the God. God is always Good , so anything against the true God’s will is consider a sin in my opinion .
Any and all commands not to sin and to be more righteous can find progress in believers’ lives when we claim the victory of Jesus over sin and for more righteousness persistently. We are spiritually connected to Jesus, who can give us the power of his resurrection for the asking. That is the reason he commands us not to sin and to become more like Jesus, @BobEstey, for our progress, as Peter says twice in his letters:
1Pe_2:2 Like newborn infants, long for the pure spiritual milk, that by it you may grow up into salvation—
2Pe_3:18 But grow in the grace and knowledge of our Lord and Savior Jesus Christ. To him be the glory both now and to the day of eternity. Amen.
What are the effects of sin?
I’ll ask you the same thing as I asked KeithR: What are the effects of sin?
Good question @BobEstey -Long or short version?
First principle: Sin contradicts the revealed character of God
1 Peter 1:15–16[1]
The imperative γενήθητε ἅγιοι is aorist passive imperative, calling for decisive conformity. The ground clause ὅτι ἐγώ ἅγιος introduces the theological reason: God’s own holiness. The prohibition of sin is not arbitrary legislation. It is ontological. Sin is ἀνομία, lawlessness, but more deeply it is contradiction of divine holiness.
Therefore God commands not to sin because sin is incongruent with His being. Moral law reflects divine nature.
Second principle: Sin destroys covenant relationship
Isaiah 59:2[2]
The verb הִבְדִּילוּ indicates separation. Sin fractures relational communion. Biblically, prohibition is protective. The command not to sin guards fellowship.
In the New Testament, this relational logic is intensified.
1 John 3:6[3]
The present tense ἁμαρτάνει in Johannine usage carries iterative or habitual force. The argument is relational and ontological: abiding in Christ and ongoing sinning as pattern are mutually exclusive governing orientations.
Thus God forbids sin because it contradicts union with Him.
Third principle: Sin enslaves
John 8:34[4]
Or “who commits.” This could simply be translated, “everyone who sins,” but the Greek is more emphatic, using the participle ποιῶν (poiōn) in a construction with πᾶς (pas), a typical Johannine construction. Here repeated, continuous action is in view. The one whose lifestyle is characterized by repeated, continuous sin is a slave to sin. That one is not free; sin has enslaved him. To break free from this bondage requires outside (divine) intervention. Although the statement is true at the general level (the person who continually practices a lifestyle of sin is enslaved to sin) the particular sin of the Jewish authorities, repeatedly emphasized in the Fourth Gospel, is the sin of unbelief. The present tense in this instance looks at the continuing refusal on the part of the Jewish leaders to acknowledge who Jesus is, in spite of mounting evidence.
ποιῶν τὴν ἁμαρτίαν is present participle, describing ongoing practice. δοῦλός ἐστιν indicates status of bondage. Sin is not mere rule breaking; it is enslaving power.
Therefore divine prohibition is emancipatory. The command not to sin is a command toward freedom.
Fourth principle: Sin opposes the redemptive work of Christ
Romans 6:1–2[5]
ἐπιμένωμεν is present subjunctive, expressing contemplated continuation. ἀπεθάνομεν is aorist indicative, pointing to decisive past event, participation in Christ’s death.
The logic is union with Christ. Through the cross, believers died to sin’s reign. Through the resurrection, they walk in newness of life as stated in 6:4.
To continue in sin would contradict participation in Christ’s death and resurrection. Thus prohibition is grounded in soteriology. God tells us not to sin because we have been transferred realms through the cross and resurrection.
Fifth principle: Sin distorts the imago Dei
Genesis 1:27 establishes man as image bearer. Though fallen, the image remains structurally present. Sin deforms what was created to reflect God. Ephesians 4:24 speaks of the “new man” created in righteousness and true holiness. The prohibition of sin protects the restoration of that image in Christ.
Sixth principle: Sin brings death
Romans 6:23[6]
ὀψώνια refers to earned wages. Sin pays death because it severs from the source of life. The prohibition is therefore life preserving.
Synthesis
God commands us not to sin because:
Sin contradicts His holy nature.
Sin ruptures covenant communion.
Sin enslaves the human will.
Sin opposes the cross and resurrection realities.
Sin distorts the restored image of God.
Sin results in death.
Thus the prohibition is not legalism but ontology, covenant, and redemption. The command not to sin flows from who God is and from what Christ accomplished.
Correct?
J.
But as he which hath called you is holy, so be ye holy in all manner of conversation; Because it is written, Be ye holy; for I am holy. KJV ↩︎
But your iniquities have separated between you and your God, and your sins have hid his face from you, that he will not hear. KJV ↩︎
Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither known him. KJV ↩︎
Whosoever committeth sin is the servant of sin. KJV ↩︎
What shall we say then? Shall we continue in sin, that grace may abound? God forbid. How shall we, that are dead to sin, live any longer therein? KJV ↩︎
For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord. KJV ↩︎
sin can lead to a spiritual death and separation from God.
there must be a reason for this
Read Romans 6, 7 and 8 brother.
J.
Sin is harming ourselves and others. God would rather that we be saved and come to a knowledge of truth.
Because we aren’t supposed to sin.
God wants us to be obedient, imitating His character and way as revealed in Jesus, and which His commandments well, command.
We aren’t supposed to sin.
But we do.
That’s the Old Adam, being broken, evil, and at enmity with God.
Sin is not a created thing. Sin is the absence of God. Sin is like a shadow to the light. Sin is the absence of anything righteous.
“But your iniquities have separated you from your God; your sins have hidden his face from you, so that he will not hear.” – Isaiah 59:2
Without God, all is sin. This is why we are told to,
“Come near to God, and he will come near to you. Wash your hands, you sinners, and purify your hearts, you double-minded.” – James 4:8
“For the wages of sin are death, but the gift of God is eternal life in Christ Jesus our Lord.” – Romans 6:23
Death, then ultimately, eternal separation from God.
“Nothing impure will ever enter it, nor will anyone who does what is shameful or deceitful, but only those whose names are written in the Lamb’s book of life.” – Revelation 21:27
Peter
Excellent, comprehensive, biblical response, @Johann!
God bless brother @Bruce_Leiter .
J.
Sin= worship to satan.
Believers also commit acts of sin, diametrically opposed as to “living in a state of habitual sinning” brother @Servant1 , so what do we do?
J.
These are unacceptable sins=1Cor 6:9-11–Gal 5:19-21–Both spots teach will not inherit Gods kingdom. Paul used the word spiritism at Gal, the Greek word= Pharmacia, thus drug addiction is apart of that, so along with all the false god worship on Earth-Jesus is correct-Luke 17:26=99.9% are mislead to destruction minimum as it was in Noah’s day. That totals about 8,5 million to 9 million give or take being saved. Yet billions are told they will be saved or get grace free, osas. are born again etc.
One may do an act selfishness once in awhile, or let a swear word slip, small things like that are sins as well. But those arent said to keep one out of Gods kingdom. Its not easy to explain.
I think, @Servant1, that sin can be defined as self-centeredness, which is the way the Bible uses the word.
Sin = anything God disapproves of. Sin = worship to satan. He asked Jesus for an act of worship in the wilderness. He wanted Jesus to do a sin and fail his assignment.
@Servant1, your post seems to imply that sin is a set of actions, but mine acknowledges that sin is an inner motivation that results in outward actions. That’s what I mean by self-centeredness, which involves our hearts (the centers of our thinking, feeling, and deciding, according to the Bible’s definition) causing us to do what God disapproves of and what Satan approves of. Look at these verses to see that sin is a matter of our inner and our outer life:
Mat 5:21 “You have heard that it was said to those of old, ‘You shall not murder; and whoever murders will be liable to judgment.’
Mat 5:22 But I say to you that everyone who is angry with his brother will be liable to judgment; whoever insults his brother will be liable to the council; and whoever says, ‘You fool!’ will be liable to the hell of fire.
Mat 5:23 So if you are offering your gift at the altar and there remember that your brother has something against you,
Mat 5:24 leave your gift there before the altar and go. First be reconciled to your brother, and then come and offer your gift.
Mat 5:25 Come to terms quickly with your accuser while you are going with him to court, lest your accuser hand you over to the judge, and the judge to the guard, and you be put in prison.
Mat 5:26 Truly, I say to you, you will never get out until you have paid the last penny.
Mat 5:27 “You have heard that it was said, ‘You shall not commit adultery.’
Mat 5:28 But I say to you that everyone who looks at a woman with lustful intent has already committed adultery with her in his heart.