KJV:
And hereby we know that we are of the truth, and shall assure our hearts before him.
NASB:
We will know by this that we are of the truth, and will assure our heart before Him
KJV:
For if our heart condemn us, God is greater than our heart, and knoweth all things.
NASB:
in whatever our heart condemns us; for God is greater than our heart and knows all things.
KJV:
And he that keepeth his commandments dwelleth in him, and he in him. And hereby we know that he abideth in us, by the Spirit which he hath given us.
NASB:
The one who keeps His commandments abides in Him, and He in him. We know by this that He abides in us, by the Spirit whom He has given us.
KJV:
Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God:
NASB:
By this you know the Spirit of God: every spirit that confesses that Jesus Christ has come in the flesh is from God;
KJV:
We are of God: he that knoweth God heareth us; he that is not of God heareth not us. Hereby know we the spirit of truth, and the spirit of error.
NASB:
We are from God; he who knows God listens to us; he who is not from God does not listen to us. By this we know the spirit of truth and the spirit of error.
KJV:
Beloved, let us love one another: for love is of God; and every one that loveth is born of God, and knoweth God.
NASB:
Beloved, let us love one another, for love is from God; and everyone who loves is born of God and knows God.
KJV:
He that loveth not knoweth not God; for God is love.
NASB:
The one who does not love does not know God, for God is love.