Ye shall abide in Him ! A Promise !
1 Jn 2:27
27 But the anointing which ye have received of him abideth in you, and ye need not that any man teach you: but as the same anointing teacheth you of all things, and is truth, and is no lie, and even as it hath taught you,
ye shall abide in him.
This is a Covenant Promise, those who God saves and gives His Spirit, which is that Anointing referred to, they shall always abide in Him !
The word's " ye shall abide in Him" in the greek is a future indicative, which means this The future:
The indicative :
And the word abide is the greek word menō and means:
to remain, abide
a) in reference to place
1) to sojourn, tarry
2)
not to depart
a) to continue to be present
b)
to be held, kept, continually
b) in reference to time
1)
to continue to be, not to perish, to last, endure
a) of persons, to survive, live
c) in reference to state or condition
1) to remain as one, not to become another or different
2) to wait for, await one
They shall not depart from the Truth, which is a Covenant Promise from here
Jer 32:40
And I will make an everlasting covenant with them, that I will not turn away from them, to do them good; but I will put my fear in their hearts,
that they shall not depart from me.
This is A Great Sovereign Blessing unto those Christ died and brings them to the Belief of the Truth by the Sanctification of the Spirit
2 Thess 2:13
13 But we are bound to give thanks alway to God for you, brethren beloved of the Lord, because God hath from the beginning chosen you to salvation through
sanctification of the Spirit and belief of the truth:
And they shall abide in that Truth forever !