KJV:
And I went up by revelation, and communicated unto them that gospel which I preach among the Gentiles, but privately to them which were of reputation, lest by any means I should run, or had run, in vain.
NASB:
It was because of a revelation that I went up; and I submitted to them the gospel which I preach among the Gentiles, but I did so in private to those who were of reputation, for fear that I might be running, or had run, in vain.
KJV:
Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience.
NASB:
Let no one deceive you with empty words, for because of these things the wrath of God comes upon the sons of disobedience.
KJV:
Holding forth the word of life; that I may rejoice in the day of Christ, that I have not run in vain, neither laboured in vain.
NASB:
holding fast the word of life, so that in the day of Christ I will have reason to glory because I did not run in vain nor toil in vain.
KJV:
Beware lest any man spoil you through philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ.
NASB:
See to it that no one takes you captive through philosophy and empty deception, according to the tradition of men, according to the elementary principles of the world, rather than according to Christ.
KJV:
For yourselves, brethren, know our entrance in unto you, that it was not in vain:
NASB:
For you yourselves know, brethren, that our coming to you was not in vain,
KJV:
For this cause, when I could no longer forbear, I sent to know your faith, lest by some means the tempter have tempted you, and our labour be in vain.
NASB:
For this reason, when I could endure it no longer, I also sent to find out about your faith, for fear that the tempter might have tempted you, and our labor would be in vain.