KJV:
This witness is true. Wherefore rebuke them sharply, that they may be sound in the faith;
NASB:
This testimony is true. For this reason reprove them severely so that they may be sound in the faith,
KJV:
By Silvanus, a faithful brother unto you, as I suppose, I have written briefly, exhorting, and testifying that this is the true grace of God wherein ye stand.
NASB:
Through Silvanus, our faithful brother (for so I regard him), I have written to you briefly, exhorting and testifying that this is the true grace of God. Stand firm in it!
KJV:
But it is happened unto them according to the true proverb, The dog is turned to his own vomit again; and the sow that was washed to her wallowing in the mire.
NASB:
It has happened to them according to the true proverb, "A DOG RETURNS TO ITS OWN VOMIT," and, "A sow, after washing, returns to wallowing in the mire."
KJV:
Again, a new commandment I write unto you, which thing is true in him and in you: because the darkness is past, and the true light now shineth.
NASB:
On the other hand, I am writing a new commandment to you, which is true in Him and in you, because the darkness is passing away and the true Light is already shining.
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.