If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness.
NIV
If we [freely] admit that we have sinned and confess our sins, He is faithful and just (true to His own nature and promises) and will forgive our sins [dismiss our lawlessness] and [continuously] cleanse us from all unrighteousness [everything not in conformity to His will in purpose, thought, and action].
AMP
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
KJV
Come near to God and he will come near to you. Wash your hands, you sinners, and purify your hearts, you double-minded.
NIV
Come close to God and He will come close to you. [Recognize that you are] sinners, get your soiled hands clean; [realize that you have been disloyal] wavering individuals with divided interests, and purify your hearts [of your spiritual adultery].
AMP
Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded.
KJV
Who gave himself for us to redeem us from all wickedness and to purify for himself a people that are his very own, eager to do what is good.
NIV
Who gave Himself on our behalf that He might redeem us (purchase our freedom) from all iniquity and purify for Himself a people [to be peculiarly His own, people who are] eager and enthusiastic about [living a life that is good and filled with] beneficial deeds. [Deut. 14:2; Ps. 130:8; Ezek. 37:23.]AMP
Who gave himself for us, that he might redeem us from all iniquity, and purify unto himself a peculiar people, zealous of good works.
KJV
How much more, then, will the blood of Christ, who through the eternal Spirit offered himself unblemished to God, cleanse our consciences from acts that lead to death, so that we may serve the living God!
NIV
How much more surely shall the blood of Christ, Who by virtue of [His] eternal Spirit [His own preexistent divine personality] has offered Himself as an unblemished sacrifice to God, purify our consciences from dead works and lifeless observances to serve the [ever] living God?
AMP
How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?
KJV
Therefore, since we have these promises, dear friends, let us purify ourselves from everything that contaminates body and spirit, perfecting holiness out of reverence for God.
NIV
THEREFORE, SINCE these [great] promises are ours, beloved, let us cleanse ourselves from everything that contaminates and defiles body and spirit, and bring [our] consecration to completeness in the [reverential] fear of God.
AMP
Having therefore these promises, dearly beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, perfecting holiness in the fear of God.
KJV
Take these men, join in their purification rites and pay their expenses, so that they can have their heads shaved. Then everyone will know there is no truth in these reports about you, but that you yourself are living in obedience to the law.
NIV
Take these men and purify yourself along with them and pay their expenses [for the temple offering], so that they may have their heads shaved. Thus everybody will know that there is no truth in what they have been told about you, but that you yourself walk in observance of the Law.
AMP
Them take, and purify thyself with them, and be at charges with them, that they may shave their heads: and all may know that those things, whereof they were informed concerning thee, are nothing; but that thou thyself also walkest orderly, and keepest the law.
KJV
But if those who are unclean do not purify themselves, they must be cut off from the community, because they have defiled the sanctuary of the LORD. The water of cleansing has not been sprinkled on them, and they are unclean.
NIV
But the man who is unclean and does not purify himself, that person shall be cut off from among the congregation, because he has defiled the sanctuary of the Lord. The water for purification has not been sprinkled upon him; he is unclean.
AMP
But the man that shall be unclean, and shall not purify himself, that soul shall be cut off from among the congregation, because he hath defiled the sanctuary of the LORD: the water of separation hath not been sprinkled upon him; he is unclean.
KJV
When they come from the marketplace they do not eat unless they wash. And they observe many other traditions, such as the washing of cups, pitchers and kettles.)
NIV
And [when they come] from the marketplace, they do not eat unless they purify themselves; and there are many other traditions [oral, man-made laws handed down to them, which they observe faithfully and diligently, such as], the washing of cups and wooden pitchers and widemouthed jugs and utensils of copper and beds--
AMP
And when they come from the market, except they wash, they eat not. And many other things there be, which they have received to hold, as the washing of cups, and pots, brasen vessels, and of tables.
KJV