KJV:
But if ye have bitter envying and strife in your hearts, glory not, and lie not against the truth.
NASB:
But if you have bitter jealousy and selfish ambition in your heart, do not be arrogant and so lie against the truth.
KJV:
Brethren, if any of you do err from the truth, and one convert him;
NASB:
My brethren, if any among you strays from the truth and one turns him back,
KJV:
Seeing ye have purified your souls in obeying the truth through the Spirit unto unfeigned love of the brethren, see that ye love one another with a pure heart fervently:
NASB:
Since you have in obedience to the truth purified your souls for a sincere love of the brethren, fervently love one another from the heart,
KJV:
Wherefore I will not be negligent to put you always in remembrance of these things, though ye know them, and be established in the present truth.
NASB:
Therefore, I will always be ready to remind you of these things, even though you already know them, and have been established in the truth which is present with you.
KJV:
And many shall follow their pernicious ways; by reason of whom the way of truth shall be evil spoken of.
NASB:
Many will follow their sensuality, and because of them the way of the truth will be maligned;
KJV:
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
NASB:
If we say that we have fellowship with Him and yet walk in the darkness, we lie and do not practice the truth;
KJV:
If we say that we have no sin, we deceive ourselves, and the truth is not in us.
NASB:
If we say that we have no sin, we are deceiving ourselves and the truth is not in us.