1 John 4:2-3

By this you know the Spirit of God: Every spirit that confesses Jesus Christ has come in the flesh, is from God.

1 John 5:20

Moreover, we know that the Son of God has come, and has given us understanding, that we might know him that is true; and we are in him that is true-in his Son Jesus Christ. This is the true God, and the eternal life.

2 John 1:7

for many deceivers are entered into the world, who do not confess Jesus Christ did come in the flesh. This is the deceiver, and the antichrist.

Treasury of Scripture Knowledge

Summary

But Christ being come an high priest of good things to come, by a greater and more perfect tabernacle, not made with hands, that is to say, not of this building;

Bible References

Christ

1 John 4:2
By this you know the Spirit of God: Every spirit that confesses Jesus Christ has come in the flesh, is from God.
1 John 5:20
Moreover, we know that the Son of God has come, and has given us understanding, that we might know him that is true; and we are in him that is true-in his Son Jesus Christ. This is the true God, and the eternal life.
2 John 1:7
for many deceivers are entered into the world, who do not confess Jesus Christ did come in the flesh. This is the deceiver, and the antichrist.