If anyone considers himself a prophet or spiritual person, let him acknowledge that what I am writing you is the Lord’s command.
KJV
If any man think himself to be a prophet, or spiritual, let him acknowledge that the things that I write unto you are the commandments of the Lord.
ASV
If any man thinketh himself to be a prophet, or spiritual, let him take knowledge of the things which I write unto you, that they are the commandment of the Lord.