KJV: And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;
NASB: And just as they did not see fit to acknowledge God any longer, God gave them over to a depraved mind, to do those things which are not proper,
KJV: 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?
NASB: Test yourselves to see if you are in the faith; examine yourselves! Or do you not recognize this about yourselves, that Jesus Christ is in you-- unless indeed you fail the test?
KJV: Now I pray to God that ye do no evil; not that we should appear approved, but that ye should do that which is honest, though we be as reprobates.
NASB: Now we pray to God that you do no wrong; not that we ourselves may appear approved, but that you may do what is right, even though we may appear unapproved.