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

ASV - 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.

BBE - If any man is ready to do God's pleasure he will have knowledge of the teaching and of where it comes from--from God or from myself.

WEB - If anyone desires to do his will, he will know about the teaching, whether it is from God, or if I am speaking from myself.

YLT - 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.

Notes