1 John 4:3

and every spirit that does not confess Jesus is not from God. This is the spirit of the antichrist, which you have heard is coming and which is already in the world at this time.

Berean Standard Bible
Other translations

King James Version

And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God: and this is that spirit of antichrist, whereof ye have heard that it should come; and even now already is it in the world.

World English Bible

and every spirit who doesn’t confess that Jesus Christ has come in the flesh is not of God; and this is the spirit of the Antichrist, of whom you have heard that it comes. Now it is in the world already.

American Standard Version

and every spirit that confesseth not Jesus is not of God: and this is the spirit of the antichrist, whereof ye have heard that it cometh; and now it is in the world already.

Geneva Bible 1599

And euery spirit that confesseth not that Iesus Christ is come in the flesh, is not of God: but this is the spirit of Antichrist, of whome ye haue heard, how that he should come, and nowe already he is in this world.

Darby Translation

and every spirit which does not confess Jesus Christ come in flesh is not of God: and this is that [power] of the antichrist, [of] which ye have heard that it comes, and now it is already in the world.

Young's Literal Translation

and every spirit that doth not confess Jesus Christ in the flesh having come, of God it is not; and this is that of the antichrist, which ye heard that it doth come, and now in the world it is already.

Bible in Basic English

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.

In context

2By this you will know the Spirit of God: Every spirit that confesses that Jesus Christ has come in the flesh is from God,

4You, little children, are from God and have overcome them, because greater is He who is in you than he who is in the world.

Read 1 John 4