To exhort means: to urge earnestly by advise or warning.
Hebrews 3:12-14 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;
Jesus said many would have their love (of God) wax cold in the end times, because iniquity would abound in the last days. But he that shall endure unto the end, the same shall be saved. (Mt. 24:12-13)
Your name can be blotted out of the book of life, says Jesus. (Rev. 3:5)
We must overcome by choosing the way of God rather than the way of the flesh. And we must do this until Jesus returns or until our last breath on this earth. Enduring.
Hebrews 10
23 Let us hold fast the profession of our faith without wavering; (for HE is faithful that promised;)
24 And let us consider one another to provoke unto love and to good works:
25 Not forsaking the assembling of ourselves (those who have the Spirit of God) together, as the manner of some is; but exhorting one another: and so much the more, as ye see the day approaching.
26 For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins,
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Each of us exhort one another by the Spirit of God. But some of us also have the spiritual gift of exhortation whereby we urge one another earnestly in the way of God by advise and warning.
Romans 12:6-8 Having then gifts differing according to the grace that is given to us, whether prophecy, let us prophesy according to the proportion of faith; Or ministry, let us wait on our ministering: or he that teacheth, on teaching; Or he that exhorteth, on exhortation: he that giveth, let him do it with simplicity; he that ruleth, with diligence; he that sheweth mercy, with cheerfulness.
1 This know also, that in the last days perilous times shall come.
2 For men shall be lovers of their own selves, covetous, boasters, proud, blasphemers, disobedient to parents, unthankful, unholy,
3 Without natural affection, trucebreakers, false accusers, incontinent, fierce, despisers of those that are good,
4 Traitors, heady, highminded, lovers of pleasures more than lovers of God;
5 Having a form of godliness, but denying the power thereof: from such turn away.
6 For of this sort are they which creep into houses, and lead captive silly women laden with sins, led away with divers lusts,
7 Ever learning, and never able to come to the knowledge of the truth.
8 Now as Jannes and Jambres withstood Moses, so do these also resist the truth: men of corrupt minds, reprobate concerning the faith.
13 But evil men and seducers shall wax worse and worse, deceiving, and being deceived.
14 But continue thou in the things which thou hast learned and hast been assured of, knowing of whom thou hast learned them;
15 And that from a child thou hast known the holy scriptures, which are able to make thee wise unto salvation through faith which is in Christ Jesus.
16 All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness:
17 That the man of God may be perfect, throughly furnished unto all good works.
4 Who opposeth and exalteth himself above all that is called God, or that is worshipped; so that he as God sitteth in the temple of God, shewing himself that he is God.
19 They went out from us, but they were not of us; for if they had been of us, they would no doubt have continued with us: but they went out, that they might be made manifest that they were not all of us.
29 For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock.
30 Also of your own selves shall men arise, speaking perverse things, to draw away disciples after them.