American Standard Version
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.

Amplified® Bible
If anyone thinks {and} claims that he is a prophet [filled with and governed by the Holy Spirit of God and inspired to interpret the divine will and purpose in preaching or teaching] or has any other spiritual endowment, let him understand (recognize and acknowledge) that what I am writing to you is a command of the Lord.

Contemporary English Version
If you think of yourself as a prophet or a spiritual person, you will know that I am writing only what the Lord has commanded.

Darby English Version
If any one thinks himself to be a prophet or spiritual, let him recognise the things that I write to you, that it is [the] Lord's commandment.

Good News Bible
If anyone supposes he is God's messenger or has a spiritual gift, he must realize that what I am writing to you is the Lord's command.

International Standard Version
If anyone thinks he is a prophet or a spiritual person, he must acknowledge that what I am writing to you is the Lord's command.

King James Version
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.

New American Standard Bible
If anyone thinks he is a prophet or spiritual, let him recognize that the things which I write to you are the Lord's commandment.

New International Version
If anybody thinks he is a prophet or spiritually gifted, let him acknowledge that what I am writing to you is the Lord's command.

New King James Version
If anyone thinks himself to be a prophet or spiritual, let him acknowledge that the things which I write to you are the commandments of the Lord.

N.A.S.B. in E-Prime
If anyone thinks he functions as a prophet or spiritual, let him recognize that the things which I write to you come from the Lord's commandment.

Young's Literal Translation
if any one doth think to be a prophet, or spiritual, let him acknowledge the things that I write to you -- that of the Lord they are commands;

New English Translation
If anyone considers himself a prophet or spiritual person, he should acknowledge that what I write to you is the Lord’s command.