And we write these things to you so that your joy may be full.

And by this we know that we have known Him, if we keep His commandments.

But whoever keeps His Word, truly in this one the love of God is perfected. By this we know that we are in Him.

They went out from us, but they were not of us; for if they were of us, they would have continued with us. But they went out so that it might be revealed that they were not all of us.

And now, little children, abide in Him, so that when He is revealed, we may have confidence and not be ashamed before Him in His coming.

Behold what manner of love the Father has given us, that we should be called children of God. Therefore the world does not know us, because it did not know Him.

Beloved, now we are children of God, and it has not yet been revealed what we shall be. But we know that when He shall be revealed, we shall be like Him, for we shall see Him as He is.

By this we have known the love of God, because He laid down His life for us. And we ought to lay down our lives for the brothers.

And he who keeps His commandment dwells in Him, and He in him. And by this we know that He abides in us, by the Spirit which He gave to us.

By this you know the Spirit of God: every spirit that confesses that Jesus Christ has come in the flesh is of God;

In this is love, not that we loved God, but that He loved us and sent His Son to be the propitiation concerning our sins.

By this we know that we dwell in Him, and He in us, because He has given us of His Spirit.

And we have seen and testify that the Father sent the Son to be the Savior of the world.

By this we know that we love the children of God, whenever we love God and keep His commandments.

This is He who came through water and blood, Jesus Christ, not by water only, but by the water and blood. And the Spirit is He who bears witness, because the Spirit is the truth.