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
Dear friends, do not believe every spirit, but test the spirits to see whether they are from God, because many false prophets have gone out into the world.
NIV
BELOVED, DO not put faith in every spirit, but prove (test) the spirits to discover whether they proceed from God; for many false prophets have gone forth into the world.
AMP
Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
KJV
When he comes, he will prove the world to be in the wrong about sin and righteousness and judgment:
NIV
And when He comes, He will convict and convince the world and bring demonstration to it about sin and about righteousness (uprightness of heart and right standing with God) and about judgment:
AMP
And when he is come, he will reprove the world of sin, and of righteousness, and of judgment:
KJV
The Jews then responded to him, "What sign can you show us to prove your authority to do all this?"
NIV
Then the Jews retorted, What sign can You show us, seeing You do these things? [What sign, miracle, token, indication can You give us as evidence that You have authority and are commissioned to act in this way?]AMP
Then answered the Jews and said unto him, What sign shewest thou unto us, seeing that thou doest these things?
KJV
Bring the whole tithe into the storehouse, that there may be food in my house. Test me in this," says the LORD Almighty, "and see if I will not throw open the floodgates of heaven and pour out so much blessing that there will not be room enough to store it.
NIV
Bring all the tithes (the whole tenth of your income) into the storehouse, that there may be food in My house, and prove Me now by it, says the Lord of hosts, if I will not open the windows of heaven for you and pour you out a blessing, that there shall not be room enough to receive it. [Mal. 2:2.]AMP
Bring ye all the tithes into the storehouse, that there may be meat in mine house, and prove me now herewith, saith the LORD of hosts, if I will not open you the windows of heaven, and pour you out a blessing, that there shall not be room enough to receive it.
KJV
Examine yourselves to see whether you are in the faith; test yourselves. Do you not realize that Christ Jesus is in you – unless, of course, you fail the test?
NIV
Examine and test and evaluate your own selves to see whether you are holding to your faith and showing the proper fruits of it. Test and prove yourselves [not Christ]. Do you not yourselves realize and know [thoroughly by an ever-increasing experience] that Jesus Christ is in you--unless you are [counterfeits] disapproved on trial and rejected?
AMP
Examine yourselves, whether ye be in the faith; prove your own selves. Know ye not your own selves, how that Jesus Christ is in you, except ye be reprobates?
KJV
God did this so that, by two unchangeable things in which it is impossible for God to lie, we who have fled to take hold of the hope set before us may be greatly encouraged.
NIV
This was so that, by two unchangeable things [His promise and His oath] in which it is impossible for God ever to prove false or deceive us, we who have fled [to Him] for refuge might have mighty indwelling strength and strong encouragement to grasp and hold fast the hope appointed for us and set before [us].
AMP
That by two immutable things, in which it was impossible for God to lie, we might have a strong consolation, who have fled for refuge to lay hold upon the hope set before us:
KJV