KJV:
But if any man think that he behaveth himself uncomely toward his virgin, if she pass the flower of her age, and need so require, let him do what he will, he sinneth not: let them marry.
NASB:
But if any man thinks that he is acting unbecomingly toward his virgin daughter, if she is past her youth, and if it must be so, let him do what he wishes, he does not sin; let her marry.
KJV:
But when ye sin so against the brethren, and wound their weak conscience, ye sin against Christ.
NASB:
And so, by sinning against the brethren and wounding their conscience when it is weak, you sin against Christ.
KJV:
Even so hath the Lord ordained that they which preach the gospel should live of the gospel.
NASB:
So also the Lord directed those who proclaim the gospel to get their living from the gospel.
KJV:
But I have used none of these things: neither have I written these things, that it should be so done unto me: for it were better for me to die, than that any man should make my glorying void.
NASB:
But I have used none of these things. And I am not writing these things so that it will be done so in my case; for it would be better for me to die than have any man make my boast an empty one.
KJV:
Know ye not that they which run in a race run all, but one receiveth the prize? So run, that ye may obtain.
NASB:
Do you not know that those who run in a race all run, but only one receives the prize? Run in such a way that you may win.