7 Bible Verses about Apostasy, How To Avoid

But wicked men and impostors will proceed from bad to worse, deceiving and deceived. But abide thou in the things which thou hast learned and believed, knowing of whom thou hast learned them; and that from a child thou hast known the sacred writings, which are able to make thee wise unto salvation through faith which is in Jesus Christ.read more.
All scripture is given by the inspiration of God, and advantageous for doctrine, for reproof, for correction, for instruction in righteousness that the man of God may be properly furnished, fully qualified for every good work.

and with intelligence moderation; and with moderation patience; and with patience piety; and with piety fraternal affection; and with fraternal affection love. For if these things are in your possession, and abounding, they will render you neither inactive nor unfruitful in the knowledge of our Lord Jesus Christ.read more.
But he that hath no possession of these things, is blind, dim-sighted, sinking into oblivion of his purification from the sins of his former days. Wherefore the rather, brethren, give diligence to make sure your calling and election: for by doing these things, ye shall never at any time stumble: but an entrance will thus be richly afforded you into the eternal kingdom of our Lord and Saviour Jesus Christ.

For this I know, that after my departure there will come among you grievous wolves, not sparing the flock: Yea, from among yourselves shall men arise, speaking perverting doctrines, to draw away disciples after them. Therefore watch, remembering that for three years, by night and by day, I have never ceased with tears to admonish every individual.

BELOVED, believe not every pretender to inspiration, but bring these spirits to the trial whether they are of God; because many false prophets are gone forth into the world. By this ye know the Spirit of God: every spirit who confesseth that Jesus the Messiah is come in the flesh, is from God. And every spirit who confesseth not that Jesus the Messiah is come into the world, is not from God: and this is that spirit of antichrist which ye have heard that it is coming, and now is already in the world.read more.
Ye are of God, my dear children, and have overcome them; because he that is in you is greater than he that is in the world. They are of the world, therefore speak they as of the world, and the world heareth them. We are of God: he that knoweth God heareth us; he that is not of God heareth us not. By this we know the spirit of truth and the spirit of delusion.

until we all attain in the unity of the faith, and the knowledge of the Son of God, unto a state of complete manhood, unto the measure of the stature of the fulness of Christ: that we should be no longer infants, floating on the waves, and carried about with every wind of novel doctrine, by the juggling of men, by their craftiness after the delusive wiles of error; but, speaking the truth in love, may grow up into him in all things, who is the head, even Christ:read more.
From whom the whole body nicely joined together, and firmly connected by every joint of exact proportion, according to the energy exerted in the measure of every several part, causeth the increase of the body unto the edification of itself in love.

Finally, brethren, be strong in the Lord, and in the power of his might. Be clothed in the panoply of God, that we may be able to stand against the wiles of the devil. For our conflict is not merely against flesh and blood, but against principalities, and against powers, and against the rulers of the darkness of this world, and against wicked spirits in the aerial regions.read more.
Therefore take the whole armour of God, that ye may be able to withstand in the evil day, and having done all things to stand. Stand therefore, girded about your loins with truth, and putting on the breastplate of righteousness; and underneath your feet shod with the preparation of the gospel of peace; and over all lifting up the shield of faith, with which ye shall be able to quench all the fiery darts of the wicked one. And take the helmet of salvation, and the sword of the Spirit, which is the word of God: praying at every opportunity with all prayer and supplication in Spirit, and watching for this very purpose with perseverance and intercession for all the saints; and for me that there may be given unto me utterance to open my mouth with boldness, to make known the mystery of the gospel, for which I am an ambassador in bonds; that therein I may speak boldly, as I ought to speak.

preach the word, be urgent, in season, out of season; reprove, enjoin, exhort with all long suffering and doctrine.