KJV:
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
NASB:
If we say that we have fellowship with Him and yet walk in the darkness, we lie and do not practice the truth;
KJV:
Behold, I will make them of the synagogue of Satan, which say they are Jews, and are not, but do lie; behold, I will make them to come and worship before thy feet, and to know that I have loved thee.
NASB:
Behold, I will cause those of the synagogue of Satan, who say that they are Jews and are not, but lie-- I will make them come and bow down at your feet, and make them know that I have loved you.