KJV:
But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin.
NASB:
but if we walk in the Light as He Himself is in the Light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin.
KJV:
Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son.
NASB:
Who is the liar but the one who denies that Jesus is the Christ? This is the antichrist, the one who denies the Father and the Son.
KJV:
Whosoever denieth the Son, the same hath not the Father: (but) he that acknowledgeth the Son hath the Father also.
NASB:
Whoever denies the Son does not have the Father; the one who confesses the Son has the Father also.
KJV:
Let that therefore abide in you, which ye have heard from the beginning. If that which ye have heard from the beginning shall remain in you, ye also shall continue in the Son, and in the Father.
NASB:
As for you, let that abide in you which you heard from the beginning. If what you heard from the beginning abides in you, you also will abide in the Son and in the Father.
KJV:
He that committeth sin is of the devil; for the devil sinneth from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the devil.
NASB:
the one who practices sin is of the devil; for the devil has sinned from the beginning. The Son of God appeared for this purpose, to destroy the works of the devil.
KJV:
And this is his commandment, That we should believe on the name of his Son Jesus Christ, and love one another, as he gave us commandment.
NASB:
This is His commandment, that we believe in the name of His Son Jesus Christ, and love one another, just as He commanded us.
KJV:
In this was manifested the love of God toward us, because that God sent his only begotten Son into the world, that we might live through him.
NASB:
By this the love of God was manifested in us, that God has sent His only begotten Son into the world so that we might live through Him.