1 John 4:2

In this ye know the spirit of God: Every spirit which acknowledges Jesus Christ having come in the flesh is of God:

1 Corinthians 12:3

Wherefore I make known to you, that none speaking in the Spirit of God calls Jesus anathema: and none can say Lord Jesus, but in the Holy Spirit.

John 1:14

And the Word was flesh, and dwelt with us, (and we beheld his glory, as the glory of the only born of the Father,) full of grace and truth.

John 16:13-15

And when he should come, the Spirit of truth, he shall guide you into all truth: for he shall not speak of himself; but whatever he should hear, shall he speak: and he shall announce to you the things coming.

1 Timothy 3:16

And manifestly great is the mystery of devotion: God was manifested in the flesh, was justified in the Spirit, was seen by angels, was proclaimed in the nations, was believed on in the world, was received up in glory.

1 John 2:23

Every one denying the Son, neither has the Father: he acknowledging the Son, has also the Father.

1 John 4:3

And every spirit which acknowledges not Jesus Christ having come in the flesh is not of God: and this is that of antichrist which ye have heard comes; and now is already in the world.

1 John 5:1

Everyone believing that Jesus is the Christ has been born of God: and every one loving him having begotten, loves him also begotten of him.

Treasury of Scripture Knowledge

Summary

Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God:

General references

Bible References

Come

1 John 4:3
And every spirit which acknowledges not Jesus Christ having come in the flesh is not of God: and this is that of antichrist which ye have heard comes; and now is already in the world.
John 1:14
And the Word was flesh, and dwelt with us, (and we beheld his glory, as the glory of the only born of the Father,) full of grace and truth.
1 Timothy 3:16
And manifestly great is the mystery of devotion: God was manifested in the flesh, was justified in the Spirit, was seen by angels, was proclaimed in the nations, was believed on in the world, was received up in glory.

General references

Deuteronomy 18:21
And when thou shalt say in thy heart, How shall we know the word which Jehovah spake not?
John 8:47
He being of God hears the words of God: therefore ye hear not, for ye are not of God.