KJV:
For our gospel came not unto you in word only, but also in power, and in the Holy Ghost, and in much assurance; as ye know what manner of men we were among you for your sake.
NASB:
for our gospel did not come to you in word only, but also in power and in the Holy Spirit and with full conviction; just as you know what kind of men we proved to be among you for your sake.
KJV:
And to you who are troubled rest with us, when the Lord Jesus shall be revealed from heaven with his mighty angels,
NASB:
and to give relief to you who are afflicted and to us as well when the Lord Jesus will be revealed from heaven with His mighty angels in flaming fire,
KJV:
Wherefore also we pray always for you, that our God would count you worthy of this calling, and fulfil all the good pleasure of his goodness, and the work of faith with power:
NASB:
To this end also we pray for you always, that our God will count you worthy of your calling, and fulfill every desire for goodness and the work of faith with power,
KJV:
Even him, whose coming is after the working of Satan with all power and signs and lying wonders,
NASB:
that is, the one whose coming is in accord with the activity of Satan, with all power and signs and false wonders,
KJV:
For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind.
NASB:
For God has not given us a spirit of timidity, but of power and love and discipline.
KJV:
Be not thou therefore ashamed of the testimony of our Lord, nor of me his prisoner: but be thou partaker of the afflictions of the gospel according to the power of God;
NASB:
Therefore do not be ashamed of the testimony of our Lord or of me His prisoner, but join with me in suffering for the gospel according to the power of God,
KJV:
Having a form of godliness, but denying the power thereof: from such turn away.
NASB:
holding to a form of godliness, although they have denied its power; Avoid such men as these.
KJV:
Who being the brightness of his glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;
NASB:
And He is the radiance of His glory and the exact representation of His nature, and upholds all things by the word of His power. When He had made purification of sins, He sat down at the right hand of the Majesty on high,