KJV:
Not as Cain, who was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evil, and his brother's righteous.
NASB:
not as Cain, who was of the evil one and slew his brother. And for what reason did he slay him? Because his deeds were evil, and his brother's were righteous.
KJV:
Marvel not, my brethren, if the world hate you.
NASB:
Do not be surprised, brethren, if the world hates you.
KJV:
We know that we have passed from death unto life, because we love the brethren. He that loveth not his brother abideth in death.
NASB:
We know that we have passed out of death into life, because we love the brethren. He who does not love abides in death.
KJV:
Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him.
NASB:
Everyone who hates his brother is a murderer; and you know that no murderer has eternal life abiding in him.
KJV:
Hereby perceive we the love of God, because he laid down his life for us: and we ought to lay down our lives for the brethren.
NASB:
We know love by this, that He laid down His life for us; and we ought to lay down our lives for the brethren.
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?
KJV:
If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen?
NASB:
If someone says, "I love God," and hates his brother, he is a liar; for the one who does not love his brother whom he has seen, cannot love God whom he has not seen.