That's a lie... all sorts of references of to walking after the flesh making it possible to fall away as being sin and causing one to not enter the Kingdom of God. Just to help you out, here's a few you obviously don't know about:
Galatians 6:7,8
For he that sows to his flesh shall of the flesh reap corruption; but he that sows to the Spirit shall of the Spirit reap life everlasting.
Be not deceived; God is not mocked: for whatsoever a man sows, that shall he also reap.
1 Cor 15:50
Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption.
Romans 2:7
To them who by patient continuance in well doing seek for glory and honor and immortality, eternal life:
But unto them that are contentious, and do not obey the truth, but obey unrighteousness, indignation and wrath,
Tribulation and anguish, upon every soul of man that does evil, of the Jew first, and also of the Gentile;
But glory, honor, and peace, to every man that works good, to the Jew first, and also to the Gentile:
For there is no respect of persons with God.
MAJOR Warning from the Lord!(*This means we really should pay attention)
Hebrews 3:6-19
But Christ as a son over His own house; whose house are we, IF we hold fast the confidence and the rejoicing of the hope firm unto the end. (see Mark 4:14-20)
Wherefore (as the Holy Ghost saith, today if ye will hear His voice,
Harden NOT your hearts, as in the provocation, in the day of temptation in the wilderness:
When your fathers tempted me, proved me, and saw my works forty years.
Wherefore I was grieved with that generation, and said, They do always err in their heart; and they have not known my ways.
So I swore in my wrath, They shall not enter into my rest.)
Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.
But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin.
For we are made partakers of Christ, IF we hold the beginning of our confidence stedfast unto the end;
While it is said, Today if ye will hear His voice, harden not your hearts, as in the provocation.
For some, when they had heard, did provoke: howbeit not all that came out of Egypt by Moses.
But with whom was He grieved forty years? was it not with them that had sinned, whose carcases fell in the wilderness?
And to whom sware He that they should not enter into his rest, but to them that believed not?
So we see that they could not enter in because of unbelief. (see James 2:14-26)
Hebrews 12:5-11
And ye have forgotten the exhortation which speaks unto you as unto children, My son, despise not the chastening of the Lord, nor faint when thou art rebuked (corrected) of him: (see John 16:8-13)
For whom the Lord loves he chastens, and scourges every son whom he receives.
If ye endure chastening, God deals with you as with sons; for what son is he whom the father chastens not?
But if you be without chastisement, whereof all are partakers, then are ye bastards, and not sons.
Furthermore we have had fathers of our flesh which corrected us, and we gave them reverence: shall we not much rather be in subjection unto the Father of spirits, and live?
For they verily for a few days chastened us after their own pleasure; but He for our profit, that we might be partakers of His holiness.
Now no chastening for the present seems to be joyous, but grievous: nevertheless afterward it yields the peaceable fruit of righteousness unto them which are exercised thereby. (see also: 1 Corinthians 11:26-32)
Romans 8:1
There is therefore now no condemnation to them which are in Christ Jesus, who walk not after the flesh, but after the Spirit.
Romans 8:6
For to be carnally minded is death; but to be spiritually minded is life and peace.
Romans 8:13,14
For if you live after the flesh, you shall die: but if you through the Spirit do mortify (put to death) the deeds of the body, ye shall live.
For as many as are led by the Spirit of God, they are the sons of God.
John 8:34 (Companion verse to Romans 5:17 thru Romans 6:19)
Jesus answered them, Verily, verily, I say unto you, Whosoever commits sin is the servant of sin.
1 John 5:16
If any man see his brother sin a sin which is not unto death, he shall ask, and he shall give him life for them that sin not unto death. There is a sin unto death: I do not say that he shall pray for it.
*** It's entirely possible for a "brother" to sin unto death and we should not pray for that... this is what Paul when he turned someone over to satan for the destruction of their flesh - he washed his hands of them and ceased to pray for them and the hope here is that they will reap of the corruption they have sown and come to themselves and realize they must return unto the Lord.
Warnings to CONTINUE in our Relationship with the Lord
Romans 11:13-22
For I speak to you Gentiles, inasmuch as I am the apostle of the Gentiles, I magnify mine office:
If by any means I may provoke to emulation them which are my flesh, and might save some of them.
For if the casting away of them be the reconciling of the world, what shall the receiving of them be, but life from the dead?
For if the first fruit be holy, the lump is also holy: and if the root be holy, so are the branches.
And if some of the branches be broken off, and thou, being a wild olive tree, were graffed in among them, and with them partake of the root and fatness of the olive tree;
Boast not against the branches. But if thou boast, thou bear not the root, but the root thee.
Thou wilt say then, The branches were broken off, that I might be graffed in.
Well; because of unbelief they were broken off, and thou stand by faith. Be not high minded, but fear:
For if God spared not the natural branches, take heed lest he also spare not thee.
Behold therefore the goodness and severity of God: on them which fell, severity; but toward thee, goodness, if thou continue in his goodness: otherwise thou also shalt be cut off.
*Notice it says “IF you continue in His goodness”… very, very strong evidence that OSAS is not true as it is being taught in the end times church... greatly contributing to great falling away
*Companion scripture is John 8:31-32 - If you continue in my word, then are you my disciples indeed; and you shall know the truth, and the truth shall make you free..
1 Timothy 4:16
Take heed unto thyself, and unto the doctrine; continue in them: for in doing this thou shalt both save thyself, and them that hear thee.
Colossians 1:21-23
And you, that were sometime alienated and enemies in your mind by wicked works, yet now hath he reconciled
In the body of his flesh through death, to present you holy and unblameable and unreproveable in his sight:
If ye continue in the faith grounded and settled, and be not moved away from the hope of the gospel, which ye have heard, and which was preached to every creature which is under heaven.
*IF we continue in the faith… and be not moved away from the hope of the Gospel
*The Father says where there is no vision, the people perish (Proverbs 29:18) the “hope of the Gospel” is the mind of Christ, seeing things from Jesus' perspective which is the wisdom from God that comes from above instead of following the wisdom from below which is earthly, sensual, and devilish (James 3:15)
Revelation 3:5
He that overcomes, the same shall be clothed in white raiment; and I will not blot out his name out of the book of life, but I will confess his name before my Father, and before his angels.
Revelation 3:5
He that overcomes, the same shall be clothed in white raiment; and I will not blot out his name out of the book of life, but I will confess his name before my Father, and before his angels.
Some modern day preachers flat out deny this verse as though Jesus lied, or was mis-informed or something. Clearly this does not fit in to their doctrine so they have to ignore it or explain it away somehow.
Revelation 2:11
He that overcomes shall not be hurt of the second death.
Overcome = walking in the Spirit = allowing the Holy Spirit to live in us. James 4:7,8 - Submit yourselves therefore to God. Resist the devil, and he will flee from you. Draw nigh to God, and he will draw nigh to you. Cleanse your hands sinners and purify your hearts you that are double minded.
Revelation 20:15
Whosoever was not found written in the book of life was cast into the lake of fire.