Do not conform to the pattern of this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what God's will is – his good, pleasing and perfect will.
NIV
Do not be conformed to this world (this age), [fashioned after and adapted to its external, superficial customs], but be transformed (changed) by the [entire] renewal of your mind [by its new ideals and its new attitude], so that you may prove [for yourselves] what is the good and acceptable and perfect will of God, even the thing which is good and acceptable and perfect [in His sight for you].
AMP
And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.
KJV
Therefore confess your sins to each other and pray for each other so that you may be healed. The prayer of a righteous person is powerful and effective.
NIV
Confess to one another therefore your faults (your slips, your false steps, your offenses, your sins) and pray [also] for one another, that you may be healed and restored [to a spiritual tone of mind and heart]. The earnest (heartfelt, continued) prayer of a righteous man makes tremendous power available [dynamic in its working].
AMP
Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.
KJV
Now the Berean Jews were of more noble character than those in Thessalonica, for they received the message with great eagerness and examined the Scriptures every day to see if what Paul said was true.
NIV
Now these [Jews] were better disposed and more noble than those in Thessalonica, for they were entirely ready and accepted and welcomed the message [concerning the attainment through Christ of eternal salvation in the kingdom of God] with inclination of mind and eagerness, searching and examining the Scriptures daily to see if these things were so.
AMP
These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those things were so.
KJV
Repent, then, and turn to God, so that your sins may be wiped out, that times of refreshing may come from the Lord
NIV
So repent (change your mind and purpose); turn around and return [to God], that your sins may be erased (blotted out, wiped clean), that times of refreshing (of recovering from the effects of heat, of reviving with fresh air) may come from the presence of the Lord
AMP
Repent ye therefore, and be converted, that your sins may be blotted out, when the times of refreshing shall come from the presence of the Lord.
KJV
The heart is deceitful above all things and beyond cure. Who can understand it?
NIV
The heart is deceitful above all things, and it is exceedingly perverse and corrupt and severely, mortally sick! Who can know it [perceive, understand, be acquainted with his own heart and mind]? [Matt. 13:15-17; Mark 7:21-23; Eph. 4:20-24.]AMP
The heart is deceitful above all things, and desperately wicked: who can know it?
KJV
Therefore, as God's chosen people, holy and dearly loved, clothe yourselves with compassion, kindness, humility, gentleness and patience.
NIV
Clothe yourselves therefore, as God's own chosen ones (His own picked representatives), [who are] purified and holy and well-beloved [by God Himself, by putting on behavior marked by] tenderhearted pity and mercy, kind feeling, a lowly opinion of yourselves, gentle ways, [and] patience [which is tireless and long-suffering, and has the power to endure whatever comes, with good temper].
AMP
Put on therefore, as the elect of God, holy and beloved, bowels of mercies, kindness, humbleness of mind, meekness, longsuffering;
KJV
Be alert and of sober mind. Your enemy the devil prowls around like a roaring lion looking for someone to devour.
NIV
Be well balanced (temperate, sober of mind), be vigilant and cautious at all times; for that enemy of yours, the devil, roams around like a lion roaring [in fierce hunger], seeking someone to seize upon and devour.
AMP
Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:
KJV