KJV:
If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man's religion is vain.
NASB:
If anyone thinks himself to be religious, and yet does not bridle his tongue but deceives his own heart, this man's religion is worthless.
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:
Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded.
NASB:
Draw near to God and He will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded.
KJV:
Ye have lived in pleasure on the earth, and been wanton; ye have nourished your hearts, as in a day of slaughter.
NASB:
You have lived luxuriously on the earth and led a life of wanton pleasure; you have fattened your hearts in a day of slaughter.
KJV:
Be ye also patient; stablish your hearts: for the coming of the Lord draweth nigh.
NASB:
You too be patient; strengthen your hearts, for the coming of the Lord is near.
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:
But let it be the hidden man of the heart, in that which is not corruptible, even the ornament of a meek and quiet spirit, which is in the sight of God of great price.
NASB:
but let it be the hidden person of the heart, with the imperishable quality of a gentle and quiet spirit, which is precious in the sight of God.
KJV:
But sanctify the Lord God in your hearts: and be ready always to give an answer to every man that asketh you a reason of the hope that is in you with meekness and fear:
NASB:
but sanctify Christ as Lord in your hearts, always being ready to make a defense to everyone who asks you to give an account for the hope that is in you, yet with gentleness and reverence;
KJV:
We have also a more sure word of prophecy; whereunto ye do well that ye take heed, as unto a light that shineth in a dark place, until the day dawn, and the day star arise in your hearts:
NASB:
So we have the prophetic word made more sure, to which you do well to pay attention as to a lamp shining in a dark place, until the day dawns and the morning star arises in your hearts.
KJV:
Having eyes full of adultery, and that cannot cease from sin; beguiling unstable souls: an heart they have exercised with covetous practices; cursed children:
NASB:
having eyes full of adultery that never cease from sin, enticing unstable souls, having a heart trained in greed, accursed children;