KJV:
And if any man think that he knoweth any thing, he knoweth nothing yet as he ought to know.
NASB:
If anyone supposes that he knows anything, he has not yet known as he ought to know;
KJV:
But if any man love God, the same is known of him.
NASB:
but if anyone loves God, he is known by Him.
KJV:
Wherefore, if meat make my brother to offend, I will eat no flesh while the world standeth, lest I make my brother to offend.
NASB:
Therefore, if food causes my brother to stumble, I will never eat meat again, so that I will not cause my brother to stumble.
KJV:
If I be not an apostle unto others, yet doubtless I am to you: for the seal of mine apostleship are ye in the Lord.
NASB:
If to others I am not an apostle, at least I am to you; for you are the seal of my apostleship in the Lord.
KJV:
If we have sown unto you spiritual things, is it a great thing if we shall reap your carnal things?
NASB:
If we sowed spiritual things in you, is it too much if we reap material things from you?
KJV:
If others be partakers of this power over you, are not we rather? Nevertheless we have not used this power; but suffer all things, lest we should hinder the gospel of Christ.
NASB:
If others share the right over you, do we not more? Nevertheless, we did not use this right, but we endure all things so that we will cause no hindrance to the gospel of Christ.
KJV:
For if I do this thing willingly, I have a reward: but if against my will, a dispensation of the gospel is committed unto me.
NASB:
For if I do this voluntarily, I have a reward; but if against my will, I have a stewardship entrusted to me.
KJV:
If any of them that believe not bid you to a feast, and ye be disposed to go; whatsoever is set before you, eat, asking no question for conscience sake.
NASB:
If one of the unbelievers invites you and you want to go, eat anything that is set before you without asking questions for conscience' sake.