Berean Study Bible
If anyone desires to do His will, he will know whether My teaching is from God or whether I speak on My own.

King James Bible
If any man will do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself.

American Standard Version
If any man willeth to do his will, he shall know of the teaching, whether it is of God, or whether I speak from myself.

Darby Bible Translation
If any one desire to practise his will, he shall know concerning the doctrine, whether it is of God, or [that] I speak from myself.

Douay-Rheims Bible
If any man do the will of him; he shall know of the doctrine, whether it be of God, or whether I speak of myself.

English Revised Version
If any man willeth to do his will, he shall know of the teaching, whether it be of God, or whether I speak from myself.

Young's Literal Translation
if any one may will to do His will, he shall know concerning the teaching, whether it is of God, or -- I do speak from myself.