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:
But the anointing which ye have received of him abideth in you, and ye need not that any man teach you: but as the same anointing teacheth you of all things, and is truth, and is no lie, and even as it hath taught you, ye shall abide in him.
NASB:
As for you, the anointing which you received from Him abides in you, and you have no need for anyone to teach you; but as His anointing teaches you about all things, and is true and is not a lie, and just as it has taught you, you abide in Him.
KJV:
If ye know that he is righteous, ye know that every one that doeth righteousness is born of him.
NASB:
If you know that He is righteous, you know that everyone also who practices righteousness is born of Him.
KJV:
And every man that hath this hope in him purifieth himself, even as he is pure.
NASB:
And everyone who has this hope fixed on Him purifies himself, just as He is pure.
KJV:
Whosoever committeth sin transgresseth also the law: for sin is the transgression of the law.
NASB:
Everyone who practices sin also practices lawlessness; and sin is lawlessness.