KJV:
But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are in him.
NASB:
but whoever keeps His word, in him the love of God has truly been perfected. By this we know that we are in Him:
KJV:
Brethren, I write no new commandment unto you, but an old commandment which ye had from the beginning. The old commandment is the word which ye have heard from the beginning.
NASB:
Beloved, I am not writing a new commandment to you, but an old commandment which you have had from the beginning; the old commandment is the word which you have heard.
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:
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:
And this is the promise that he hath promised us, even eternal life.
NASB:
This is the promise which He Himself made to us: eternal life.
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:
For this is the message that ye heard from the beginning, that we should love one another.
NASB:
For this is the message which you have heard from the beginning, that we should love one another;
KJV:
But whoso hath this world's good, and seeth his brother have need, and shutteth up his bowels of compassion from him, how dwelleth the love of God in him?
NASB:
But whoever has the world's goods, and sees his brother in need and closes his heart against him, how does the love of God abide in him?