KJV:
For ye have heard of my conversation in time past in the Jews' religion, how that beyond measure I persecuted the church of God, and wasted it:
NASB:
For you have heard of my former manner of life in Judaism, how I used to persecute the church of God beyond measure and tried to destroy it;
KJV:
That ye put off concerning the former conversation the old man, which is corrupt according to the deceitful lusts;
NASB:
that, in reference to your former manner of life, you lay aside the old self, which is being corrupted in accordance with the lusts of deceit,
KJV:
Let no man despise thy youth; but be thou an example of the believers, in word, in conversation, in charity, in spirit, in faith, in purity.
NASB:
Let no one look down on your youthfulness, but rather in speech, conduct, love, faith and purity, show yourself an example of those who believe.
KJV:
Remember them which have the rule over you, who have spoken unto you the word of God: whose faith follow, considering the end of their conversation.
NASB:
Remember those who led you, who spoke the word of God to you; and considering the result of their conduct, imitate their faith.
KJV:
Who is a wise man and endued with knowledge among you? let him shew out of a good conversation his works with meekness of wisdom.
NASB:
Who among you is wise and understanding? Let him show by his good behavior his deeds in the gentleness of wisdom.
KJV:
But as he which hath called you is holy, so be ye holy in all manner of conversation;
NASB:
but like the Holy One who called you, be holy yourselves also in all your behavior;
KJV:
Forasmuch as ye know that ye were not redeemed with corruptible things, as silver and gold, from your vain conversation received by tradition from your fathers;
NASB:
knowing that you were not redeemed with perishable things like silver or gold from your futile way of life inherited from your forefathers,
KJV:
Having your conversation honest among the Gentiles: that, whereas they speak against you as evildoers, they may by your good works, which they shall behold, glorify God in the day of visitation.
NASB:
Keep your behavior excellent among the Gentiles, so that in the thing in which they slander you as evildoers, they may because of your good deeds, as they observe them, glorify God in the day of visitation.
KJV:
Likewise, ye wives, be in subjection to your own husbands; that, if any obey not the word, they also may without the word be won by the conversation of the wives;
NASB:
In the same way, you wives, be submissive to your own husbands so that even if any of them are disobedient to the word, they may be won without a word by the behavior of their wives,