Little children, it is the last time: and as ye have heard that antichrist shall come, even now are there many antichrists; whereby we know that it is the last time. 1Jo 2:18

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.
1Jo 2:19

But ye have an unction from the Holy One, and ye know all things.1Jo 2:20

I have not written unto you because ye know not the truth, but because ye know it [the truth], and that no lie is of the truth. 1Jo 2:21

Who is a liar but he that denieth that Jesus is the Christ He is antichrist, that denieth the Father and the Son 1Jo 2:22

Whosoever denieth the Son, the same hath not the Father: he that acknowledgeth the Son hath the Father also. 1Jo 2:23

Let that therefore abide in you, which ye have heard from the beginning. If that which ye have heard from the beginning shall remain in you, ye also shall continue in the Son, and in the Father.
1Jo 2:24

And so that all will be condemned who have not believed the truth but have delighted in wickedness.
2TH 2:12