7 Because a number of false teachers have gone out into the world, who do not give witness that Jesus Christ came in the flesh. Such a one is a false teacher and Antichrist.
2 John 1:7 Cross References - BBE
John 1:14
14 And so the Word became flesh and took a place among us for a time; and we saw his glory--such glory as is given to an only son by his father--saw it to be true and full of grace.
1 Timothy 3:16
16 And without argument, great is the secret of religion: He who was seen in the flesh, who was given God's approval in the spirit, was seen by the angels, of whom the good news was given among the nations, in whom the world had faith, who was taken up in glory.
2 Peter 2:1-3
1 But there were false prophets among the people, as there will be false teachers among you, who will secretly put forward wrong teachings for your destruction, even turning away from the Lord who gave himself for them; whose destruction will come quickly, and they themselves will be the cause of it.
2 And a great number will go with them in their evil ways, through whom the true way will have a bad name.
3 And in their desire for profit they will come to you with words of deceit, like traders doing business in souls: whose punishment has been ready for a long time and their destruction is watching for them.
1 John 2:18-22
18 Little children, it is the last hour; and as you were given word that the Antichrist would come, so now a number of Antichrists have come to you; and by this we are certain that it is the last hour.
19 They went out from us but they were not of us; if they had been of us they would still be with us: but they went out from us so that it might be made clear that they were not of us.
20 And you have the Spirit from the Holy One and you all have knowledge.
21 I have not sent you this letter because you have no knowledge of what is true, but because you have knowledge, and because that which is false has nothing in common with that which is true.
22 Who is false but he who says that Jesus is not the Christ? He is the Antichrist who has no belief in the Father or the Son.
1 John 2:26
26 I am writing these things to you about those whose purpose is that you may be turned out of the true way.
1 John 4:1-3
1 My loved ones, do not put your faith in every spirit, but put them to the test, to see if they are from God: because a great number of false prophets have gone out into the world.
2 By this you may have knowledge of the Spirit of God: every spirit which says that Jesus Christ has come in the flesh is of God:
3 And every spirit which does not say this is not from God: this is the spirit of Antichrist, of which you have had word; and it is in the world even now.
Revelation 12:9
9 And the great dragon was forced down, the old snake, who is named the Evil One and Satan, by whom all the earth is turned from the right way; he was forced down to the earth, and his angels were forced down with him.
Revelation 13:14
14 And those who are on the earth are turned from the true way by him through the signs which he was given power to do before the beast; giving orders to those who are on the earth to make an image to the beast, who was wounded by the sword, and came to life.