This gift is His New Covenant. He offers it freely, but we are told that to join with Him in this agreement. Jesus said:
Jn 6:27–29 Do not work for the food that perishes, but for the food that endures to eternal life, which the Son of Man will give to you. For on him God the Father has set his seal.” Then they said to him, “What must we do, to be doing the works of God?” Jesus answered them, “This is the work of God, that you believe in him whom he has sent.”
This believe means that we have Jesus as mediator between His Father and ourselves, knowing that Jesus said repeatedly that all He said and did came from His Father. He said that, if we have Him, we'd obey His commandments. What happens if we don't obey. This covenant agreement must be upheld by both parties. We don't doubt God side of things, and we were warned about not upholding our part: While nobody can snatch us from His hand, we can wander off from it.
Matthew 7:21 ESV “Not everyone who says to me, ‘Lord, Lord,’ will enter the kingdom of heaven, but the one who does the will of my Father who is in heaven.
Matthew 10:22 ESV And you will be hated by all for my name's sake. But the one who endures to the end will be saved.
Matthew 13:3-8 ESV And he told them many things in parables, saying: “A sower went out to sow. And as he sowed, some seeds fell along the path, and the birds came and devoured them. Other seeds fell on rocky ground, where they did not have much soil, and immediately they sprang up, since they had no depth of soil, but when the sun rose they were scorched. And since they had no root, they withered away. Other seeds fell among thorns, and the thorns grew up and choked them. Other seeds fell on good soil and produced grain, some a hundredfold, some sixty, some thirty.
Matthew 24:13 ESV But the one who endures to the end will be saved.
Matthew 24:24 ESV For false christs and false prophets will arise and perform great signs and wonders, so as to lead astray, if possible, even the elect.
Mark 13:13 ESV And you will be hated by all for my name's sake. But the one who endures to the end will be saved.
Luke 8:13 ESV And the ones on the rock are those who, when they hear the word, receive it with joy. But these have no root; they believe for a while, and in time of testing fall away.
John 3:36 ESV Whoever believes in the Son has eternal life; whoever does not obey the Son shall not see life, but the wrath of God remains on him.
John 15:6 ESV If anyone does not abide in me he is thrown away like a branch and withers; and the branches are gathered, thrown into the fire, and burned.
Romans 2:6-8 ESV He will render to each one according to his works: to those who by patience in well-doing seek for glory and honor and immortality, he will give eternal life; but for those who are self-seeking and do not obey the truth, but obey unrighteousness, there will be wrath and fury.
Romans 8:12-13 ESV So then, brothers, we are debtors, not to the flesh, to live according to the flesh. For if you live according to the flesh you will die, but if by the Spirit you put to death the deeds of the body, you will live.
Romans 11:19-22 ESV Then you will say, “Branches were broken off so that I might be grafted in.” That is true. They were broken off because of their unbelief, but you stand fast through faith. So do not become proud, but fear. For if God did not spare the natural branches, neither will he spare you. Note then the kindness and the severity of God: severity toward those who have fallen, but God's kindness to you, provided you continue in his kindness. Otherwise you too will be cut off.
1 Corinthians 10:12 ESV Therefore let anyone who thinks that he stands take heed lest he fall.
Galatians 4:9 ESV But now that you have come to know God, or rather to be known by God, how can you turn back again to the weak and worthless elementary principles of the world, whose slaves you want to be once more?
Galatians 6:8-9 ESV For the one who sows to his own flesh will from the flesh reap corruption, but the one who sows to the Spirit will from the Spirit reap eternal life. And let us not grow weary of doing good, for in due season we will reap, if we do not give up.
Colossians 1:21-23 ESV And you, who once were alienated and hostile in mind, doing evil deeds, he has now reconciled in his body of flesh by his death, in order to present you holy and blameless and above reproach before him, if indeed you continue in the faith, stable and steadfast, not shifting from the hope of the gospel that you heard, which has been proclaimed in all creation under heaven, and of which I, Paul, became a minister.
1 Timothy 4:1 ESV Now the Spirit expressly says that in later times some will depart from the faith by devoting themselves to deceitful spirits and teachings of demons,
Hebrews 3:12-14 ESV Take care, brothers, lest there be in any of you an evil, unbelieving heart, leading you to fall away from the living God. But exhort one another every day, as long as it is called “today,” that none of you may be hardened by the deceitfulness of sin. For we have come to share in Christ, if indeed we hold our original confidence firm to the end.
Hebrews 5:9 ESV And being made perfect, he became the source of eternal salvation to all who obey him,
Hebrews 6:4-6 ESV For it is impossible, in the case of those who have once been enlightened, who have tasted the heavenly gift, and have shared in the Holy Spirit, and have tasted the goodness of the word of God and the powers of the age to come, and then have fallen away, to restore them again to repentance, since they are crucifying once again the Son of God to their own harm and holding him up to contempt.
Hebrews 10:26 ESV For if we go on sinning deliberately after receiving the knowledge of the truth, there no longer remains a sacrifice for sins,
James 5:19-20 ESV My brothers, if anyone among you wanders from the truth and someone brings him back, let him know that whoever brings back a sinner from his wandering will save his soul from death and will cover a multitude of sins.
2 Peter 1:10 ESV Therefore, brothers, be all the more diligent to make your calling and election sure, for if you practice these qualities you will never fall.
2 Peter 2:20-22 ESV For if, after they have escaped the defilements of the world through the knowledge of our Lord and Savior Jesus Christ, they are again entangled in them and overcome, the last state has become worse for them than the first. For it would have been better for them never to have known the way of righteousness than after knowing it to turn back from the holy commandment delivered to them. What the true proverb says has happened to them: “The dog returns to its own vomit, and the sow, after washing herself, returns to wallow in the mire.”
Revelation 2:4-5 ESV “But I have this against you, that you have abandoned the love you had at first. Remember therefore from where you have fallen; repent, and do the works you did at first. If not, I will come to you and remove your lampstand from its place, unless you repent. ...
Revelation 3:2-5 ESV Wake up, and strengthen what remains and is about to die, for I have not found your works complete in the sight of my God. Remember, then, what you received and heard. Keep it, and repent. If you will not wake up, I will come like a thief, and you will not know at what hour I will come against you. Yet you have still a few names in Sardis, people who have not soiled their garments, and they will walk with me in white, for they are worthy. The one who conquers will be clothed thus in white garments, and I will never blot his name out of the book of life. I will confess his name before my Father and before his angels.
