KJV:
Little children, let no man deceive you: he that doeth righteousness is righteous, even as he is righteous.
NASB:
Little children, make sure no one deceives you; the one who practices righteousness is righteous, just as He is righteous;
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:
Whosoever is born of God doth not commit sin; for his seed remaineth in him: and he cannot sin, because he is born of God.
NASB:
No one who is born of God practices sin, because His seed abides in him; and he cannot sin, because he is born of God.
KJV:
In this the children of God are manifest, and the children of the devil: whosoever doeth not righteousness is not of God, neither he that loveth not his brother.
NASB:
By this the children of God and the children of the devil are obvious: anyone who does not practice righteousness is not of God, nor the one who does not love his brother.
KJV:
And whatsoever we ask, we receive of him, because we keep his commandments, and do those things that are pleasing in his sight.
NASB:
and whatever we ask we receive from Him, because we keep His commandments and do the things that are pleasing in His sight.
KJV:
By this we know that we love the children of God, when we love God, and keep his commandments.
NASB:
By this we know that we love the children of God, when we love God and observe His commandments.
KJV:
He that believeth on the Son of God hath the witness in himself: he that believeth not God hath made him a liar; because he believeth not the record that God gave of his Son.
NASB:
The one who believes in the Son of God has the testimony in himself; the one who does not believe God has made Him a liar, because he has not believed in the testimony that God has given concerning His Son.
KJV:
Beloved, thou doest faithfully whatsoever thou doest to the brethren, and to strangers;
NASB:
Beloved, you are acting faithfully in whatever you accomplish for the brethren, and especially when they are strangers;
KJV:
Which have borne witness of thy charity before the church: whom if thou bring forward on their journey after a godly sort, thou shalt do well:
NASB:
and they have testified to your love before the church. You will do well to send them on their way in a manner worthy of God.
KJV:
Wherefore, if I come, I will remember his deeds which he doeth, prating against us with malicious words: and not content therewith, neither doth he himself receive the brethren, and forbiddeth them that would, and casteth them out of the church.
NASB:
For this reason, if I come, I will call attention to his deeds which he does, unjustly accusing us with wicked words; and not satisfied with this, he himself does not receive the brethren, either, and he forbids those who desire to do so and puts them out of the church.